18415208

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2207}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 21328792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2207, 4172, 4414, 8344, 8828, 15449, 17656, 30898, 61796, 123592, 328843, 657686, 1315372, 2301901, 2630744, 4603802, 9207604, 18415208]

約数ペア:

[(1, 18415208), (2, 9207604), (4, 4603802), (7, 2630744), (8, 2301901), (14, 1315372), (28, 657686), (56, 328843), (149, 123592), (298, 61796), (596, 30898), (1043, 17656), (1192, 15449), (2086, 8828), (2207, 8344), (4172, 4414)]