19938505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5119}}^1$

素因数の和:5184

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 5866295

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5119, 25595, 97261, 209879, 486305, 1049395, 3987701, 19938505]

約数ペア:

[(1, 19938505), (5, 3987701), (19, 1049395), (41, 486305), (95, 209879), (205, 97261), (779, 25595), (3895, 5119)]