18865822

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12109}}^1$

素因数の和:12171

約数の個数: 16

約数和(自身を含む): 30517200

約数和(自身を除く): 11651378

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12109, 24218, 230071, 460142, 496469, 992938, 9432911, 18865822]

約数ペア:

[(1, 18865822), (2, 9432911), (19, 992938), (38, 496469), (41, 460142), (82, 230071), (779, 24218), (1558, 12109)]