19331380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56857}}^1$

素因数の和:56883

約数の個数: 24

約数和(自身を含む): 42984648

約数和(自身を除く): 23653268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56857, 113714, 227428, 284285, 568570, 966569, 1137140, 1933138, 3866276, 4832845, 9665690, 19331380]

約数ペア:

[(1, 19331380), (2, 9665690), (4, 4832845), (5, 3866276), (10, 1933138), (17, 1137140), (20, 966569), (34, 568570), (68, 284285), (85, 227428), (170, 113714), (340, 56857)]