19921208

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15277}}^1$

素因数の和:15446

約数の個数: 16

約数和(自身を含む): 37583880

約数和(自身を除く): 17662672

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15277, 30554, 61108, 122216, 2490151, 4980302, 9960604, 19921208]

約数ペア:

[(1, 19921208), (2, 9960604), (4, 4980302), (8, 2490151), (163, 122216), (326, 61108), (652, 30554), (1304, 15277)]