18921642

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{44417}}^1$

素因数の和:44493

約数の個数: 16

約数和(自身を含む): 38377152

約数和(自身を除く): 19455510

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 44417, 88834, 133251, 266502, 3153607, 6307214, 9460821, 18921642]

約数ペア:

[(1, 18921642), (2, 9460821), (3, 6307214), (6, 3153607), (71, 266502), (142, 133251), (213, 88834), (426, 44417)]