19458266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2189

約数の個数: 16

約数和(自身を含む): 30336000

約数和(自身を除く): 10877734

約数列:

[1, 2, 31, 62, 157, 314, 1999, 3998, 4867, 9734, 61969, 123938, 313843, 627686, 9729133, 19458266]

約数ペア:

[(1, 19458266), (2, 9729133), (31, 627686), (62, 313843), (157, 123938), (314, 61969), (1999, 9734), (3998, 4867)]