18980663

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 2187337

約数列:

[1, 13, 41, 149, 239, 533, 1937, 3107, 6109, 9799, 35611, 79417, 127387, 462943, 1460051, 18980663]

約数ペア:

[(1, 18980663), (13, 1460051), (41, 462943), (149, 127387), (239, 79417), (533, 35611), (1937, 9799), (3107, 6109)]