18850868864

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4750723}}^1$

素因数の和:4750768

約数の個数: 32

約数和(自身を含む): 38765907840

約数和(自身を除く): 19915038976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4750723, 9501446, 19002892, 38005784, 76011568, 147272413, 152023136, 294544826, 304046272, 589089652, 608092544, 1178179304, 2356358608, 4712717216, 9425434432, 18850868864]

約数ペア:

[(1, 18850868864), (2, 9425434432), (4, 4712717216), (8, 2356358608), (16, 1178179304), (31, 608092544), (32, 589089652), (62, 304046272), (64, 294544826), (124, 152023136), (128, 147272413), (248, 76011568), (496, 38005784), (992, 19002892), (1984, 9501446), (3968, 4750723)]