18935840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 58786560

約数和(自身を除く): 39850720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 53, 55, 56, 58, 70, 77, 80, 88, 106, 110, 112, 116, 140, 145, 154, 160, 176, 203, 212, 220, 224, 232, 265, 280, 290, 308, 319, 352, 371, 385, 406, 424, 440, 464, 530, 560, 580, 583, 616, 638, 742, 770, 812, 848, 880, 928, 1015, 1060, 1120, 1160, 1166, 1232, 1276, 1484, 1537, 1540, 1595, 1624, 1696, 1760, 1855, 2030, 2120, 2233, 2320, 2332, 2464, 2552, 2915, 2968, 3074, 3080, 3190, 3248, 3710, 4060, 4081, 4240, 4466, 4640, 4664, 5104, 5830, 5936, 6148, 6160, 6380, 6496, 7420, 7685, 8120, 8162, 8480, 8932, 9328, 10208, 10759, 11165, 11660, 11872, 12296, 12320, 12760, 14840, 15370, 16240, 16324, 16907, 17864, 18656, 20405, 21518, 22330, 23320, 24592, 25520, 29680, 30740, 32480, 32648, 33814, 35728, 40810, 43036, 44660, 46640, 49184, 51040, 53795, 59360, 61480, 65296, 67628, 71456, 81620, 84535, 86072, 89320, 93280, 107590, 118349, 122960, 130592, 135256, 163240, 169070, 172144, 178640, 215180, 236698, 245920, 270512, 326480, 338140, 344288, 357280, 430360, 473396, 541024, 591745, 652960, 676280, 860720, 946792, 1183490, 1352560, 1721440, 1893584, 2366980, 2705120, 3787168, 4733960, 9467920, 18935840]

約数ペア:

[(1, 18935840), (2, 9467920), (4, 4733960), (5, 3787168), (7, 2705120), (8, 2366980), (10, 1893584), (11, 1721440), (14, 1352560), (16, 1183490), (20, 946792), (22, 860720), (28, 676280), (29, 652960), (32, 591745), (35, 541024), (40, 473396), (44, 430360), (53, 357280), (55, 344288), (56, 338140), (58, 326480), (70, 270512), (77, 245920), (80, 236698), (88, 215180), (106, 178640), (110, 172144), (112, 169070), (116, 163240), (140, 135256), (145, 130592), (154, 122960), (160, 118349), (176, 107590), (203, 93280), (212, 89320), (220, 86072), (224, 84535), (232, 81620), (265, 71456), (280, 67628), (290, 65296), (308, 61480), (319, 59360), (352, 53795), (371, 51040), (385, 49184), (406, 46640), (424, 44660), (440, 43036), (464, 40810), (530, 35728), (560, 33814), (580, 32648), (583, 32480), (616, 30740), (638, 29680), (742, 25520), (770, 24592), (812, 23320), (848, 22330), (880, 21518), (928, 20405), (1015, 18656), (1060, 17864), (1120, 16907), (1160, 16324), (1166, 16240), (1232, 15370), (1276, 14840), (1484, 12760), (1537, 12320), (1540, 12296), (1595, 11872), (1624, 11660), (1696, 11165), (1760, 10759), (1855, 10208), (2030, 9328), (2120, 8932), (2233, 8480), (2320, 8162), (2332, 8120), (2464, 7685), (2552, 7420), (2915, 6496), (2968, 6380), (3074, 6160), (3080, 6148), (3190, 5936), (3248, 5830), (3710, 5104), (4060, 4664), (4081, 4640), (4240, 4466)]