18471238

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2663

約数の個数: 16

約数和(自身を含む): 28712880

約数和(自身を除く): 10241642

約数列:

[1, 2, 41, 82, 89, 178, 2531, 3649, 5062, 7298, 103771, 207542, 225259, 450518, 9235619, 18471238]

約数ペア:

[(1, 18471238), (2, 9235619), (41, 450518), (82, 225259), (89, 207542), (178, 103771), (2531, 7298), (3649, 5062)]