18874440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 68468400

約数和(自身を除く): 49593960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 109, 111, 117, 120, 130, 148, 156, 180, 185, 195, 218, 222, 234, 260, 296, 312, 327, 333, 360, 370, 390, 436, 444, 468, 481, 520, 545, 555, 585, 654, 666, 740, 780, 872, 888, 936, 962, 981, 1090, 1110, 1170, 1308, 1332, 1417, 1443, 1480, 1560, 1635, 1665, 1924, 1962, 2180, 2220, 2340, 2405, 2616, 2664, 2834, 2886, 3270, 3330, 3848, 3924, 4033, 4251, 4329, 4360, 4440, 4680, 4810, 4905, 5668, 5772, 6540, 6660, 7085, 7215, 7848, 8066, 8502, 8658, 9620, 9810, 11336, 11544, 12099, 12753, 13080, 13320, 14170, 14430, 16132, 17004, 17316, 19240, 19620, 20165, 21255, 21645, 24198, 25506, 28340, 28860, 32264, 34008, 34632, 36297, 39240, 40330, 42510, 43290, 48396, 51012, 52429, 56680, 57720, 60495, 63765, 72594, 80660, 85020, 86580, 96792, 102024, 104858, 120990, 127530, 145188, 157287, 161320, 170040, 173160, 181485, 209716, 241980, 255060, 262145, 290376, 314574, 362970, 419432, 471861, 483960, 510120, 524290, 629148, 725940, 786435, 943722, 1048580, 1258296, 1451880, 1572870, 1887444, 2097160, 2359305, 3145740, 3774888, 4718610, 6291480, 9437220, 18874440]

約数ペア:

[(1, 18874440), (2, 9437220), (3, 6291480), (4, 4718610), (5, 3774888), (6, 3145740), (8, 2359305), (9, 2097160), (10, 1887444), (12, 1572870), (13, 1451880), (15, 1258296), (18, 1048580), (20, 943722), (24, 786435), (26, 725940), (30, 629148), (36, 524290), (37, 510120), (39, 483960), (40, 471861), (45, 419432), (52, 362970), (60, 314574), (65, 290376), (72, 262145), (74, 255060), (78, 241980), (90, 209716), (104, 181485), (109, 173160), (111, 170040), (117, 161320), (120, 157287), (130, 145188), (148, 127530), (156, 120990), (180, 104858), (185, 102024), (195, 96792), (218, 86580), (222, 85020), (234, 80660), (260, 72594), (296, 63765), (312, 60495), (327, 57720), (333, 56680), (360, 52429), (370, 51012), (390, 48396), (436, 43290), (444, 42510), (468, 40330), (481, 39240), (520, 36297), (545, 34632), (555, 34008), (585, 32264), (654, 28860), (666, 28340), (740, 25506), (780, 24198), (872, 21645), (888, 21255), (936, 20165), (962, 19620), (981, 19240), (1090, 17316), (1110, 17004), (1170, 16132), (1308, 14430), (1332, 14170), (1417, 13320), (1443, 13080), (1480, 12753), (1560, 12099), (1635, 11544), (1665, 11336), (1924, 9810), (1962, 9620), (2180, 8658), (2220, 8502), (2340, 8066), (2405, 7848), (2616, 7215), (2664, 7085), (2834, 6660), (2886, 6540), (3270, 5772), (3330, 5668), (3848, 4905), (3924, 4810), (4033, 4680), (4251, 4440), (4329, 4360)]