19942275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15641}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 34912944

約数和(自身を除く): 14970669

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15641, 46923, 78205, 234615, 265897, 391025, 797691, 1173075, 1329485, 3988455, 6647425, 19942275]

約数ペア:

[(1, 19942275), (3, 6647425), (5, 3988455), (15, 1329485), (17, 1173075), (25, 797691), (51, 391025), (75, 265897), (85, 234615), (255, 78205), (425, 46923), (1275, 15641)]