17940465

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21013

約数の個数: 24

約数和(自身を含む): 32735040

約数和(自身を除く): 14794575

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 20983, 62949, 104915, 188847, 314745, 398677, 944235, 1196031, 1993385, 3588093, 5980155, 17940465]

約数ペア:

[(1, 17940465), (3, 5980155), (5, 3588093), (9, 1993385), (15, 1196031), (19, 944235), (45, 398677), (57, 314745), (95, 188847), (171, 104915), (285, 62949), (855, 20983)]