19813772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26489}}^1$

素因数の和:26521

約数の個数: 24

約数和(自身を含む): 40052880

約数和(自身を除く): 20239108

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 26489, 52978, 105956, 291379, 450313, 582758, 900626, 1165516, 1801252, 4953443, 9906886, 19813772]

約数ペア:

[(1, 19813772), (2, 9906886), (4, 4953443), (11, 1801252), (17, 1165516), (22, 900626), (34, 582758), (44, 450313), (68, 291379), (187, 105956), (374, 52978), (748, 26489)]