18683793

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 28094976

約数和(自身を除く): 9411183

約数列:

[1, 3, 9, 31, 93, 167, 279, 401, 501, 1203, 1503, 3609, 5177, 12431, 15531, 37293, 46593, 66967, 111879, 200901, 602703, 2075977, 6227931, 18683793]

約数ペア:

[(1, 18683793), (3, 6227931), (9, 2075977), (31, 602703), (93, 200901), (167, 111879), (279, 66967), (401, 46593), (501, 37293), (1203, 15531), (1503, 12431), (3609, 5177)]