18138766

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1571}}^1$

素因数の和:1847

約数の個数: 16

約数和(自身を含む): 28522368

約数和(自身を除く): 10383602

約数列:

[1, 2, 23, 46, 251, 502, 1571, 3142, 5773, 11546, 36133, 72266, 394321, 788642, 9069383, 18138766]

約数ペア:

[(1, 18138766), (2, 9069383), (23, 788642), (46, 394321), (251, 72266), (502, 36133), (1571, 11546), (3142, 5773)]