19941168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31957}}^1$

素因数の和:31981

約数の個数: 40

約数和(自身を含む): 55479088

約数和(自身を除く): 35537920

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31957, 63914, 95871, 127828, 191742, 255656, 383484, 415441, 511312, 766968, 830882, 1246323, 1533936, 1661764, 2492646, 3323528, 4985292, 6647056, 9970584, 19941168]

約数ペア:

[(1, 19941168), (2, 9970584), (3, 6647056), (4, 4985292), (6, 3323528), (8, 2492646), (12, 1661764), (13, 1533936), (16, 1246323), (24, 830882), (26, 766968), (39, 511312), (48, 415441), (52, 383484), (78, 255656), (104, 191742), (156, 127828), (208, 95871), (312, 63914), (624, 31957)]