19650275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 26300400

約数和(自身を除く): 6650125

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1009, 1025, 3895, 5045, 19171, 19475, 25225, 41369, 95855, 206845, 479275, 786011, 1034225, 3930055, 19650275]

約数ペア:

[(1, 19650275), (5, 3930055), (19, 1034225), (25, 786011), (41, 479275), (95, 206845), (205, 95855), (475, 41369), (779, 25225), (1009, 19475), (1025, 19171), (3895, 5045)]