18777234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 24270702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 647, 691, 1294, 1382, 1941, 2073, 3882, 4146, 4529, 4837, 9058, 9674, 13587, 14511, 27174, 29022, 447077, 894154, 1341231, 2682462, 3129539, 6259078, 9388617, 18777234]

約数ペア:

[(1, 18777234), (2, 9388617), (3, 6259078), (6, 3129539), (7, 2682462), (14, 1341231), (21, 894154), (42, 447077), (647, 29022), (691, 27174), (1294, 14511), (1382, 13587), (1941, 9674), (2073, 9058), (3882, 4837), (4146, 4529)]