19698666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 43037568

約数和(自身を除く): 23338902

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3557, 5538, 7114, 10671, 21342, 46241, 92482, 138723, 252547, 277446, 505094, 757641, 1515282, 3283111, 6566222, 9849333, 19698666]

約数ペア:

[(1, 19698666), (2, 9849333), (3, 6566222), (6, 3283111), (13, 1515282), (26, 757641), (39, 505094), (71, 277446), (78, 252547), (142, 138723), (213, 92482), (426, 46241), (923, 21342), (1846, 10671), (2769, 7114), (3557, 5538)]