19808566

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13369034

約数列:

[1, 2, 23, 29, 31, 46, 58, 62, 479, 667, 713, 899, 958, 1334, 1426, 1798, 11017, 13891, 14849, 20677, 22034, 27782, 29698, 41354, 319493, 341527, 430621, 638986, 683054, 861242, 9904283, 19808566]

約数ペア:

[(1, 19808566), (2, 9904283), (23, 861242), (29, 683054), (31, 638986), (46, 430621), (58, 341527), (62, 319493), (479, 41354), (667, 29698), (713, 27782), (899, 22034), (958, 20677), (1334, 14849), (1426, 13891), (1798, 11017)]