18235910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2153}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 41253408

約数和(自身を除く): 23017498

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2153, 4235, 4306, 8470, 10765, 15071, 21530, 23683, 30142, 47366, 75355, 118415, 150710, 165781, 236830, 260513, 331562, 521026, 828905, 1302565, 1657810, 1823591, 2605130, 3647182, 9117955, 18235910]

約数ペア:

[(1, 18235910), (2, 9117955), (5, 3647182), (7, 2605130), (10, 1823591), (11, 1657810), (14, 1302565), (22, 828905), (35, 521026), (55, 331562), (70, 260513), (77, 236830), (110, 165781), (121, 150710), (154, 118415), (242, 75355), (385, 47366), (605, 30142), (770, 23683), (847, 21530), (1210, 15071), (1694, 10765), (2153, 8470), (4235, 4306)]