1880667778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{5209}}^1\times {\mathrm{16411}}^1$

素因数の和:21633

約数の個数: 16

約数和(自身を含む): 3078234720

約数和(自身を除く): 1197566942

約数列:

[1, 2, 11, 22, 5209, 10418, 16411, 32822, 57299, 114598, 180521, 361042, 85484899, 170969798, 940333889, 1880667778]

約数ペア:

[(1, 1880667778), (2, 940333889), (11, 170969798), (22, 85484899), (5209, 361042), (10418, 180521), (16411, 114598), (32822, 57299)]