18965202080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10775683}}^1$

素因数の和:10775709

約数の個数: 48

約数和(自身を含む): 48878502624

約数和(自身を除く): 29913300544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10775683, 21551366, 43102732, 53878415, 86205464, 107756830, 118532513, 172410928, 215513660, 237065026, 344821856, 431027320, 474130052, 592662565, 862054640, 948260104, 1185325130, 1724109280, 1896520208, 2370650260, 3793040416, 4741300520, 9482601040, 18965202080]

約数ペア:

[(1, 18965202080), (2, 9482601040), (4, 4741300520), (5, 3793040416), (8, 2370650260), (10, 1896520208), (11, 1724109280), (16, 1185325130), (20, 948260104), (22, 862054640), (32, 592662565), (40, 474130052), (44, 431027320), (55, 344821856), (80, 237065026), (88, 215513660), (110, 172410928), (160, 118532513), (176, 107756830), (220, 86205464), (352, 53878415), (440, 43102732), (880, 21551366), (1760, 10775683)]