19707828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 57302784

約数和(自身を除く): 37594956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 37, 42, 51, 68, 74, 84, 102, 111, 119, 148, 204, 222, 238, 259, 357, 373, 444, 476, 518, 629, 714, 746, 777, 1036, 1119, 1258, 1428, 1492, 1554, 1887, 2238, 2516, 2611, 3108, 3774, 4403, 4476, 5222, 6341, 7548, 7833, 8806, 10444, 12682, 13209, 13801, 15666, 17612, 19023, 25364, 26418, 27602, 31332, 38046, 41403, 44387, 52836, 55204, 76092, 82806, 88774, 96607, 133161, 165612, 177548, 193214, 234617, 266322, 289821, 386428, 469234, 532644, 579642, 703851, 938468, 1159284, 1407702, 1642319, 2815404, 3284638, 4926957, 6569276, 9853914, 19707828]

約数ペア:

[(1, 19707828), (2, 9853914), (3, 6569276), (4, 4926957), (6, 3284638), (7, 2815404), (12, 1642319), (14, 1407702), (17, 1159284), (21, 938468), (28, 703851), (34, 579642), (37, 532644), (42, 469234), (51, 386428), (68, 289821), (74, 266322), (84, 234617), (102, 193214), (111, 177548), (119, 165612), (148, 133161), (204, 96607), (222, 88774), (238, 82806), (259, 76092), (357, 55204), (373, 52836), (444, 44387), (476, 41403), (518, 38046), (629, 31332), (714, 27602), (746, 26418), (777, 25364), (1036, 19023), (1119, 17612), (1258, 15666), (1428, 13801), (1492, 13209), (1554, 12682), (1887, 10444), (2238, 8806), (2516, 7833), (2611, 7548), (3108, 6341), (3774, 5222), (4403, 4476)]