18769822

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1123}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 28850832

約数和(自身を除く): 10081010

約数列:

[1, 2, 61, 122, 137, 274, 1123, 2246, 8357, 16714, 68503, 137006, 153851, 307702, 9384911, 18769822]

約数ペア:

[(1, 18769822), (2, 9384911), (61, 307702), (122, 153851), (137, 137006), (274, 68503), (1123, 16714), (2246, 8357)]