19791112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{941}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 40694400

約数和(自身を除く): 20903288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 941, 956, 1882, 1912, 2629, 3764, 5258, 7528, 10351, 10516, 20702, 21032, 41404, 82808, 224899, 449798, 899596, 1799192, 2473889, 4947778, 9895556, 19791112]

約数ペア:

[(1, 19791112), (2, 9895556), (4, 4947778), (8, 2473889), (11, 1799192), (22, 899596), (44, 449798), (88, 224899), (239, 82808), (478, 41404), (941, 21032), (956, 20702), (1882, 10516), (1912, 10351), (2629, 7528), (3764, 5258)]