18960615

素因数分解:

$3^3\times 5^1\times {\mathrm{140449}}^1$

素因数の和:140463

約数の個数: 16

約数和(自身を含む): 33708000

約数和(自身を除く): 14747385

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140449, 421347, 702245, 1264041, 2106735, 3792123, 6320205, 18960615]

約数ペア:

[(1, 18960615), (3, 6320205), (5, 3792123), (9, 2106735), (15, 1264041), (27, 702245), (45, 421347), (135, 140449)]