18658936

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 36162000

約数和(自身を除く): 17503064

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 349, 652, 698, 1304, 1396, 2792, 6683, 13366, 14309, 26732, 28618, 53464, 56887, 57236, 113774, 114472, 227548, 455096, 2332367, 4664734, 9329468, 18658936]

約数ペア:

[(1, 18658936), (2, 9329468), (4, 4664734), (8, 2332367), (41, 455096), (82, 227548), (163, 114472), (164, 113774), (326, 57236), (328, 56887), (349, 53464), (652, 28618), (698, 26732), (1304, 14309), (1396, 13366), (2792, 6683)]