20189619088

素因数分解:

$2^4\times {\mathrm{5059}}^1\times {\mathrm{249427}}^1$

素因数の和:254494

約数の個数: 20

約数和(自身を含む): 39125276080

約数和(自身を除く): 18935656992

約数列:

[1, 2, 4, 8, 16, 5059, 10118, 20236, 40472, 80944, 249427, 498854, 997708, 1995416, 3990832, 1261851193, 2523702386, 5047404772, 10094809544, 20189619088]

約数ペア:

[(1, 20189619088), (2, 10094809544), (4, 5047404772), (8, 2523702386), (16, 1261851193), (5059, 3990832), (10118, 1995416), (20236, 997708), (40472, 498854), (80944, 249427)]