19966707664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{356243}}^1$

素因数の和:356395

約数の個数: 40

約数和(自身を含む): 40286921472

約数和(自身を除く): 20320213808

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 452, 496, 904, 1808, 3503, 7006, 14012, 28024, 56048, 356243, 712486, 1424972, 2849944, 5699888, 11043533, 22087066, 40255459, 44174132, 80510918, 88348264, 161021836, 176696528, 322043672, 644087344, 1247919229, 2495838458, 4991676916, 9983353832, 19966707664]

約数ペア:

[(1, 19966707664), (2, 9983353832), (4, 4991676916), (8, 2495838458), (16, 1247919229), (31, 644087344), (62, 322043672), (113, 176696528), (124, 161021836), (226, 88348264), (248, 80510918), (452, 44174132), (496, 40255459), (904, 22087066), (1808, 11043533), (3503, 5699888), (7006, 2849944), (14012, 1424972), (28024, 712486), (56048, 356243)]