19605008

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1229}}^1$

素因数の和:2234

約数の個数: 20

約数和(自身を含む): 38053740

約数和(自身を除く): 18448732

約数列:

[1, 2, 4, 8, 16, 997, 1229, 1994, 2458, 3988, 4916, 7976, 9832, 15952, 19664, 1225313, 2450626, 4901252, 9802504, 19605008]

約数ペア:

[(1, 19605008), (2, 9802504), (4, 4901252), (8, 2450626), (16, 1225313), (997, 19664), (1229, 15952), (1994, 9832), (2458, 7976), (3988, 4916)]