18910203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1061}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 27238176

約数和(自身を除く): 8327973

約数列:

[1, 3, 13, 39, 457, 1061, 1371, 3183, 5941, 13793, 17823, 41379, 484877, 1454631, 6303401, 18910203]

約数ペア:

[(1, 18910203), (3, 6303401), (13, 1454631), (39, 484877), (457, 41379), (1061, 17823), (1371, 13793), (3183, 5941)]