18565519856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4697753}}^1$

素因数の和:4697793

約数の個数: 40

約数和(自身を含む): 40776504720

約数和(自身を除く): 22210984864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4697753, 9395506, 18791012, 37582024, 61070789, 75164048, 89257307, 122141578, 178514614, 244283156, 357029228, 488566312, 714058456, 977132624, 1160344991, 1428116912, 2320689982, 4641379964, 9282759928, 18565519856]

約数ペア:

[(1, 18565519856), (2, 9282759928), (4, 4641379964), (8, 2320689982), (13, 1428116912), (16, 1160344991), (19, 977132624), (26, 714058456), (38, 488566312), (52, 357029228), (76, 244283156), (104, 178514614), (152, 122141578), (208, 89257307), (247, 75164048), (304, 61070789), (494, 37582024), (988, 18791012), (1976, 9395506), (3952, 4697753)]