2018609537

素因数分解:

$7^4\times {\mathrm{421}}^1\times {\mathrm{1997}}^1$

素因数の和:2446

約数の個数: 20

約数和(自身を含む): 2361679956

約数和(自身を除く): 343070419

約数列:

[1, 7, 49, 343, 421, 1997, 2401, 2947, 13979, 20629, 97853, 144403, 684971, 840737, 1010821, 4794797, 5885159, 41196113, 288372791, 2018609537]

約数ペア:

[(1, 2018609537), (7, 288372791), (49, 41196113), (343, 5885159), (421, 4794797), (1997, 1010821), (2401, 840737), (2947, 684971), (13979, 144403), (20629, 97853)]