18490690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{63761}}^1$

素因数の和:63797

約数の個数: 16

約数和(自身を含む): 34431480

約数和(自身を除く): 15940790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 63761, 127522, 318805, 637610, 1849069, 3698138, 9245345, 18490690]

約数ペア:

[(1, 18490690), (2, 9245345), (5, 3698138), (10, 1849069), (29, 637610), (58, 318805), (145, 127522), (290, 63761)]