19569968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 22052368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 443, 502, 886, 1004, 1772, 2008, 2761, 3544, 4016, 4873, 5522, 7088, 9746, 11044, 19492, 22088, 38984, 44176, 77968, 111193, 222386, 444772, 889544, 1223123, 1779088, 2446246, 4892492, 9784984, 19569968]

約数ペア:

[(1, 19569968), (2, 9784984), (4, 4892492), (8, 2446246), (11, 1779088), (16, 1223123), (22, 889544), (44, 444772), (88, 222386), (176, 111193), (251, 77968), (443, 44176), (502, 38984), (886, 22088), (1004, 19492), (1772, 11044), (2008, 9746), (2761, 7088), (3544, 5522), (4016, 4873)]