18552008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 35955360

約数和(自身を除く): 17403352

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 347, 652, 694, 1304, 1388, 2776, 6683, 13366, 14227, 26732, 28454, 53464, 56561, 56908, 113122, 113816, 226244, 452488, 2319001, 4638002, 9276004, 18552008]

約数ペア:

[(1, 18552008), (2, 9276004), (4, 4638002), (8, 2319001), (41, 452488), (82, 226244), (163, 113816), (164, 113122), (326, 56908), (328, 56561), (347, 53464), (652, 28454), (694, 26732), (1304, 14227), (1388, 13366), (2776, 6683)]