18955568

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{4957}}^1$

素因数の和:5204

約数の個数: 20

約数和(自身を含む): 36887520

約数和(自身を除く): 17931952

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 4957, 9914, 19828, 39656, 79312, 1184723, 2369446, 4738892, 9477784, 18955568]

約数ペア:

[(1, 18955568), (2, 9477784), (4, 4738892), (8, 2369446), (16, 1184723), (239, 79312), (478, 39656), (956, 19828), (1912, 9914), (3824, 4957)]