18101251

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 21712896

約数和(自身を除く): 3611645

約数列:

[1, 7, 37, 47, 259, 329, 1487, 1739, 10409, 12173, 55019, 69889, 385133, 489223, 2585893, 18101251]

約数ペア:

[(1, 18101251), (7, 2585893), (37, 489223), (47, 385133), (259, 69889), (329, 55019), (1487, 12173), (1739, 10409)]