18737455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{30971}}^1$

素因数の和:30998

約数の個数: 12

約数和(自身を含む): 24715656

約数和(自身を除く): 5978201

約数列:

[1, 5, 11, 55, 121, 605, 30971, 154855, 340681, 1703405, 3747491, 18737455]

約数ペア:

[(1, 18737455), (5, 3747491), (11, 1703405), (55, 340681), (121, 154855), (605, 30971)]