18488764

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4051}}^1$

素因数の和:4225

約数の個数: 24

約数和(自身を含む): 37213568

約数和(自身を除く): 18724804

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4051, 4564, 8102, 16204, 28357, 56714, 113428, 660313, 1320626, 2641252, 4622191, 9244382, 18488764]

約数ペア:

[(1, 18488764), (2, 9244382), (4, 4622191), (7, 2641252), (14, 1320626), (28, 660313), (163, 113428), (326, 56714), (652, 28357), (1141, 16204), (2282, 8102), (4051, 4564)]