18947830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 37399968

約数和(自身を除く): 18452138

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 613, 1226, 1405, 2810, 3065, 3091, 6130, 6182, 6743, 13486, 15455, 30910, 33715, 67430, 172253, 344506, 861265, 1722530, 1894783, 3789566, 9473915, 18947830]

約数ペア:

[(1, 18947830), (2, 9473915), (5, 3789566), (10, 1894783), (11, 1722530), (22, 861265), (55, 344506), (110, 172253), (281, 67430), (562, 33715), (613, 30910), (1226, 15455), (1405, 13486), (2810, 6743), (3065, 6182), (3091, 6130)]