18853721

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 20404224

約数和(自身を除く): 1550503

約数列:

[1, 23, 47, 107, 163, 1081, 2461, 3749, 5029, 7661, 17441, 115667, 176203, 401143, 819727, 18853721]

約数ペア:

[(1, 18853721), (23, 819727), (47, 401143), (107, 176203), (163, 115667), (1081, 17441), (2461, 7661), (3749, 5029)]