18557338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 30824640

約数和(自身を除く): 12267302

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 277, 554, 779, 817, 1558, 1634, 1763, 3526, 5263, 10526, 11357, 11911, 22714, 23822, 33497, 66994, 215783, 226309, 431566, 452618, 488351, 976702, 9278669, 18557338]

約数ペア:

[(1, 18557338), (2, 9278669), (19, 976702), (38, 488351), (41, 452618), (43, 431566), (82, 226309), (86, 215783), (277, 66994), (554, 33497), (779, 23822), (817, 22714), (1558, 11911), (1634, 11357), (1763, 10526), (3526, 5263)]