19932640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 59566752

約数和(自身を除く): 39634112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 364, 370, 416, 455, 481, 518, 520, 560, 592, 728, 740, 910, 962, 1036, 1040, 1120, 1184, 1295, 1369, 1456, 1480, 1820, 1924, 2072, 2080, 2405, 2590, 2738, 2912, 2960, 3367, 3640, 3848, 4144, 4810, 5180, 5476, 5920, 6734, 6845, 7280, 7696, 8288, 9583, 9620, 10360, 10952, 13468, 13690, 14560, 15392, 16835, 17797, 19166, 19240, 20720, 21904, 26936, 27380, 33670, 35594, 38332, 38480, 41440, 43808, 47915, 53872, 54760, 67340, 71188, 76664, 76960, 88985, 95830, 107744, 109520, 124579, 134680, 142376, 153328, 177970, 191660, 219040, 249158, 269360, 284752, 306656, 355940, 383320, 498316, 538720, 569504, 622895, 711880, 766640, 996632, 1245790, 1423760, 1533280, 1993264, 2491580, 2847520, 3986528, 4983160, 9966320, 19932640]

約数ペア:

[(1, 19932640), (2, 9966320), (4, 4983160), (5, 3986528), (7, 2847520), (8, 2491580), (10, 1993264), (13, 1533280), (14, 1423760), (16, 1245790), (20, 996632), (26, 766640), (28, 711880), (32, 622895), (35, 569504), (37, 538720), (40, 498316), (52, 383320), (56, 355940), (65, 306656), (70, 284752), (74, 269360), (80, 249158), (91, 219040), (104, 191660), (112, 177970), (130, 153328), (140, 142376), (148, 134680), (160, 124579), (182, 109520), (185, 107744), (208, 95830), (224, 88985), (259, 76960), (260, 76664), (280, 71188), (296, 67340), (364, 54760), (370, 53872), (416, 47915), (455, 43808), (481, 41440), (518, 38480), (520, 38332), (560, 35594), (592, 33670), (728, 27380), (740, 26936), (910, 21904), (962, 20720), (1036, 19240), (1040, 19166), (1120, 17797), (1184, 16835), (1295, 15392), (1369, 14560), (1456, 13690), (1480, 13468), (1820, 10952), (1924, 10360), (2072, 9620), (2080, 9583), (2405, 8288), (2590, 7696), (2738, 7280), (2912, 6845), (2960, 6734), (3367, 5920), (3640, 5476), (3848, 5180), (4144, 4810)]