19825018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3323}}^1$

素因数の和:3501

約数の個数: 16

約数和(自身を含む): 31511520

約数和(自身を除く): 11686502

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3323, 5966, 6646, 63137, 126274, 521711, 1043422, 9912509, 19825018]

約数ペア:

[(1, 19825018), (2, 9912509), (19, 1043422), (38, 521711), (157, 126274), (314, 63137), (2983, 6646), (3323, 5966)]