19101896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 39394080

約数和(自身を除く): 20292184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1657, 2882, 3314, 5764, 6628, 11528, 13256, 18227, 36454, 72908, 145816, 217067, 434134, 868268, 1736536, 2387737, 4775474, 9550948, 19101896]

約数ペア:

[(1, 19101896), (2, 9550948), (4, 4775474), (8, 2387737), (11, 1736536), (22, 868268), (44, 434134), (88, 217067), (131, 145816), (262, 72908), (524, 36454), (1048, 18227), (1441, 13256), (1657, 11528), (2882, 6628), (3314, 5764)]