18900870905

素因数分解:

$5^1\times 7^1\times {\mathrm{14149}}^1\times {\mathrm{38167}}^1$

素因数の和:52328

約数の個数: 16

約数和(自身を含む): 25923705600

約数和(自身を除く): 7022834695

約数列:

[1, 5, 7, 35, 14149, 38167, 70745, 99043, 190835, 267169, 495215, 1335845, 540024883, 2700124415, 3780174181, 18900870905]

約数ペア:

[(1, 18900870905), (5, 3780174181), (7, 2700124415), (35, 540024883), (14149, 1335845), (38167, 495215), (70745, 267169), (99043, 190835)]