19903845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102071}}^1$

素因数の和:102092

約数の個数: 16

約数和(自身を含む): 34296192

約数和(自身を除く): 14392347

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 102071, 306213, 510355, 1326923, 1531065, 3980769, 6634615, 19903845]

約数ペア:

[(1, 19903845), (3, 6634615), (5, 3980769), (13, 1531065), (15, 1326923), (39, 510355), (65, 306213), (195, 102071)]