18969610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 37433664

約数和(自身を除く): 18464054

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 331, 521, 662, 1042, 1655, 2605, 3310, 3641, 5210, 5731, 7282, 11462, 18205, 28655, 36410, 57310, 172451, 344902, 862255, 1724510, 1896961, 3793922, 9484805, 18969610]

約数ペア:

[(1, 18969610), (2, 9484805), (5, 3793922), (10, 1896961), (11, 1724510), (22, 862255), (55, 344902), (110, 172451), (331, 57310), (521, 36410), (662, 28655), (1042, 18205), (1655, 11462), (2605, 7282), (3310, 5731), (3641, 5210)]