18156157038

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1049}}^1\times {\mathrm{2351}}^1$

素因数の和:3817

約数の個数: 48

約数和(自身を含む): 39488904000

約数和(自身を除く): 21332746962

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1049, 1227, 2098, 2351, 2454, 3147, 3681, 4702, 6294, 7053, 7362, 9441, 14106, 18882, 21159, 42318, 429041, 858082, 961559, 1287123, 1923118, 2466199, 2574246, 2884677, 3861369, 4932398, 5769354, 7398597, 7722738, 8654031, 14797194, 17308062, 22195791, 44391582, 1008675391, 2017350782, 3026026173, 6052052346, 9078078519, 18156157038]

約数ペア:

[(1, 18156157038), (2, 9078078519), (3, 6052052346), (6, 3026026173), (9, 2017350782), (18, 1008675391), (409, 44391582), (818, 22195791), (1049, 17308062), (1227, 14797194), (2098, 8654031), (2351, 7722738), (2454, 7398597), (3147, 5769354), (3681, 4932398), (4702, 3861369), (6294, 2884677), (7053, 2574246), (7362, 2466199), (9441, 1923118), (14106, 1287123), (18882, 961559), (21159, 858082), (42318, 429041)]