31002718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11491}}^1$

素因数の和:11583

約数の個数: 16

約数和(自身を含む): 49645440

約数和(自身を除く): 18642722

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 11491, 22982, 218329, 436658, 815861, 1631722, 15501359, 31002718]

約数ペア:

[(1, 31002718), (2, 15501359), (19, 1631722), (38, 815861), (71, 436658), (142, 218329), (1349, 22982), (2698, 11491)]