31718030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 60752160

約数和(自身を除く): 29034130

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1721, 1843, 3442, 3686, 8605, 9215, 17210, 18430, 32699, 65398, 163495, 166937, 326990, 333874, 834685, 1669370, 3171803, 6343606, 15859015, 31718030]

約数ペア:

[(1, 31718030), (2, 15859015), (5, 6343606), (10, 3171803), (19, 1669370), (38, 834685), (95, 333874), (97, 326990), (190, 166937), (194, 163495), (485, 65398), (970, 32699), (1721, 18430), (1843, 17210), (3442, 9215), (3686, 8605)]