18988896740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{579283}}^1$

素因数の和:579452

約数の個数: 48

約数和(自身を含む): 43793870400

約数和(自身を除く): 24804973660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 16390, 32780, 579283, 1158566, 2317132, 2896415, 5792830, 6372113, 11585660, 12744226, 25488452, 31860565, 63721130, 86313167, 127442260, 172626334, 345252668, 431565835, 863131670, 949444837, 1726263340, 1898889674, 3797779348, 4747224185, 9494448370, 18988896740]

約数ペア:

[(1, 18988896740), (2, 9494448370), (4, 4747224185), (5, 3797779348), (10, 1898889674), (11, 1726263340), (20, 949444837), (22, 863131670), (44, 431565835), (55, 345252668), (110, 172626334), (149, 127442260), (220, 86313167), (298, 63721130), (596, 31860565), (745, 25488452), (1490, 12744226), (1639, 11585660), (2980, 6372113), (3278, 5792830), (6556, 2896415), (8195, 2317132), (16390, 1158566), (32780, 579283)]