18850190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15986290

約数列:

[1, 2, 5, 10, 79, 107, 158, 214, 223, 395, 446, 535, 790, 1070, 1115, 2230, 8453, 16906, 17617, 23861, 35234, 42265, 47722, 84530, 88085, 119305, 176170, 238610, 1885019, 3770038, 9425095, 18850190]

約数ペア:

[(1, 18850190), (2, 9425095), (5, 3770038), (10, 1885019), (79, 238610), (107, 176170), (158, 119305), (214, 88085), (223, 84530), (395, 47722), (446, 42265), (535, 35234), (790, 23861), (1070, 17617), (1115, 16906), (2230, 8453)]