18704505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73351}}^1$

素因数の和:73376

約数の個数: 16

約数和(自身を含む): 31688064

約数和(自身を除く): 12983559

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73351, 220053, 366755, 1100265, 1246967, 3740901, 6234835, 18704505]

約数ペア:

[(1, 18704505), (3, 6234835), (5, 3740901), (15, 1246967), (17, 1100265), (51, 366755), (85, 220053), (255, 73351)]