18906573

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3767}}^1$

素因数の和:4016

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 10031667

約数列:

[1, 3, 7, 21, 239, 717, 1673, 3767, 5019, 11301, 26369, 79107, 900313, 2700939, 6302191, 18906573]

約数ペア:

[(1, 18906573), (3, 6302191), (7, 2700939), (21, 900313), (239, 79107), (717, 26369), (1673, 11301), (3767, 5019)]