18103667440

素因数分解:

$2^4\times 5^1\times {\mathrm{226295843}}^1$

素因数の和:226295856

約数の個数: 20

約数和(自身を含む): 42091026984

約数和(自身を除く): 23987359544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226295843, 452591686, 905183372, 1131479215, 1810366744, 2262958430, 3620733488, 4525916860, 9051833720, 18103667440]

約数ペア:

[(1, 18103667440), (2, 9051833720), (4, 4525916860), (5, 3620733488), (8, 2262958430), (10, 1810366744), (16, 1131479215), (20, 905183372), (40, 452591686), (80, 226295843)]