19008902020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{555491}}^1$

素因数の和:555588

約数の個数: 48

約数和(自身を含む): 41995195200

約数和(自身を除く): 22986293180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 3422, 6844, 8555, 17110, 34220, 555491, 1110982, 2221964, 2777455, 5554910, 11109820, 16109239, 32218478, 32773969, 64436956, 65547938, 80546195, 131095876, 161092390, 163869845, 322184780, 327739690, 655479380, 950445101, 1900890202, 3801780404, 4752225505, 9504451010, 19008902020]

約数ペア:

[(1, 19008902020), (2, 9504451010), (4, 4752225505), (5, 3801780404), (10, 1900890202), (20, 950445101), (29, 655479380), (58, 327739690), (59, 322184780), (116, 163869845), (118, 161092390), (145, 131095876), (236, 80546195), (290, 65547938), (295, 64436956), (580, 32773969), (590, 32218478), (1180, 16109239), (1711, 11109820), (3422, 5554910), (6844, 2777455), (8555, 2221964), (17110, 1110982), (34220, 555491)]