18587942

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:883

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 9861850

約数列:

[1, 2, 71, 142, 223, 446, 587, 1174, 15833, 31666, 41677, 83354, 130901, 261802, 9293971, 18587942]

約数ペア:

[(1, 18587942), (2, 9293971), (71, 261802), (142, 130901), (223, 83354), (446, 41677), (587, 31666), (1174, 15833)]