18925616

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19391}}^1$

素因数の和:19460

約数の個数: 20

約数和(自身を含む): 37271424

約数和(自身を除く): 18345808

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19391, 38782, 77564, 155128, 310256, 1182851, 2365702, 4731404, 9462808, 18925616]

約数ペア:

[(1, 18925616), (2, 9462808), (4, 4731404), (8, 2365702), (16, 1182851), (61, 310256), (122, 155128), (244, 77564), (488, 38782), (976, 19391)]