18966477

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 7080243

約数列:

[1, 3, 41, 123, 271, 569, 813, 1707, 11111, 23329, 33333, 69987, 154199, 462597, 6322159, 18966477]

約数ペア:

[(1, 18966477), (3, 6322159), (41, 462597), (123, 154199), (271, 69987), (569, 33333), (813, 23329), (1707, 11111)]