17955019

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 19918080

約数和(自身を除く): 1963061

約数列:

[1, 19, 23, 181, 227, 437, 3439, 4163, 4313, 5221, 41087, 79097, 99199, 780653, 945001, 17955019]

約数ペア:

[(1, 17955019), (19, 945001), (23, 780653), (181, 99199), (227, 79097), (437, 41087), (3439, 5221), (4163, 4313)]