18901165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23569920

約数和(自身を除く): 4668755

約数列:

[1, 5, 31, 155, 197, 619, 985, 3095, 6107, 19189, 30535, 95945, 121943, 609715, 3780233, 18901165]

約数ペア:

[(1, 18901165), (5, 3780233), (31, 609715), (155, 121943), (197, 95945), (619, 30535), (985, 19189), (3095, 6107)]