18863869180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 192

約数和(自身を含む): 46243612800

約数和(自身を除く): 27379743620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 109, 130, 190, 212, 218, 247, 260, 265, 380, 436, 494, 530, 545, 661, 689, 988, 1007, 1060, 1090, 1235, 1322, 1378, 1417, 2014, 2071, 2180, 2470, 2644, 2756, 2834, 3305, 3445, 4028, 4142, 4940, 5035, 5668, 5777, 6610, 6890, 7085, 8284, 8593, 10070, 10355, 11554, 12559, 13091, 13220, 13780, 14170, 17186, 20140, 20710, 23108, 25118, 26182, 26923, 28340, 28885, 34372, 35033, 41420, 42965, 50236, 52364, 53846, 57770, 62795, 65455, 70066, 72049, 75101, 85930, 107692, 109763, 115540, 125590, 130910, 134615, 140132, 144098, 150202, 163267, 171860, 175165, 219526, 251180, 261820, 269230, 288196, 300404, 326534, 350330, 360245, 375505, 439052, 455429, 538460, 548815, 653068, 665627, 700660, 720490, 751010, 816335, 910858, 936637, 1097630, 1331254, 1368931, 1426919, 1440980, 1502020, 1632670, 1821716, 1873274, 2195260, 2277145, 2662508, 2737862, 2853838, 3265340, 3328135, 3746548, 3818597, 4554290, 4683185, 5475724, 5707676, 6656270, 6844655, 7134595, 7637194, 8653151, 9108580, 9366370, 13312540, 13689310, 14269190, 15274388, 17306302, 17796103, 18732740, 19092985, 27378620, 28538380, 34612604, 35592206, 38185970, 43265755, 49641761, 71184412, 72553343, 76371940, 86531510, 88980515, 99283522, 145106686, 173063020, 177961030, 198567044, 248208805, 290213372, 355922060, 362766715, 496417610, 725533430, 943193459, 992835220, 1451066860, 1886386918, 3772773836, 4715967295, 9431934590, 18863869180]

約数ペア:

[(1, 18863869180), (2, 9431934590), (4, 4715967295), (5, 3772773836), (10, 1886386918), (13, 1451066860), (19, 992835220), (20, 943193459), (26, 725533430), (38, 496417610), (52, 362766715), (53, 355922060), (65, 290213372), (76, 248208805), (95, 198567044), (106, 177961030), (109, 173063020), (130, 145106686), (190, 99283522), (212, 88980515), (218, 86531510), (247, 76371940), (260, 72553343), (265, 71184412), (380, 49641761), (436, 43265755), (494, 38185970), (530, 35592206), (545, 34612604), (661, 28538380), (689, 27378620), (988, 19092985), (1007, 18732740), (1060, 17796103), (1090, 17306302), (1235, 15274388), (1322, 14269190), (1378, 13689310), (1417, 13312540), (2014, 9366370), (2071, 9108580), (2180, 8653151), (2470, 7637194), (2644, 7134595), (2756, 6844655), (2834, 6656270), (3305, 5707676), (3445, 5475724), (4028, 4683185), (4142, 4554290), (4940, 3818597), (5035, 3746548), (5668, 3328135), (5777, 3265340), (6610, 2853838), (6890, 2737862), (7085, 2662508), (8284, 2277145), (8593, 2195260), (10070, 1873274), (10355, 1821716), (11554, 1632670), (12559, 1502020), (13091, 1440980), (13220, 1426919), (13780, 1368931), (14170, 1331254), (17186, 1097630), (20140, 936637), (20710, 910858), (23108, 816335), (25118, 751010), (26182, 720490), (26923, 700660), (28340, 665627), (28885, 653068), (34372, 548815), (35033, 538460), (41420, 455429), (42965, 439052), (50236, 375505), (52364, 360245), (53846, 350330), (57770, 326534), (62795, 300404), (65455, 288196), (70066, 269230), (72049, 261820), (75101, 251180), (85930, 219526), (107692, 175165), (109763, 171860), (115540, 163267), (125590, 150202), (130910, 144098), (134615, 140132)]