18822885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43271}}^1$

素因数の和:43308

約数の個数: 16

約数和(自身を含む): 31155840

約数和(自身を除く): 12332955

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 43271, 129813, 216355, 649065, 1254859, 3764577, 6274295, 18822885]

約数ペア:

[(1, 18822885), (3, 6274295), (5, 3764577), (15, 1254859), (29, 649065), (87, 216355), (145, 129813), (435, 43271)]