19994546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69911}}^1$

素因数の和:69937

約数の個数: 16

約数和(自身を含む): 35235648

約数和(自身を除く): 15241102

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69911, 139822, 769021, 908843, 1538042, 1817686, 9997273, 19994546]

約数ペア:

[(1, 19994546), (2, 9997273), (11, 1817686), (13, 1538042), (22, 908843), (26, 769021), (143, 139822), (286, 69911)]