18832778

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1817

約数の個数: 16

約数和(自身を含む): 29215464

約数和(自身を除く): 10382686

約数列:

[1, 2, 37, 74, 157, 314, 1621, 3242, 5809, 11618, 59977, 119954, 254497, 508994, 9416389, 18832778]

約数ペア:

[(1, 18832778), (2, 9416389), (37, 508994), (74, 254497), (157, 119954), (314, 59977), (1621, 11618), (3242, 5809)]