19992075

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{1789}}^1$

素因数の和:1951

約数の個数: 24

約数和(自身を含む): 33294000

約数和(自身を除く): 13301925

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 1789, 2235, 3725, 5367, 8945, 11175, 26835, 44725, 134175, 266561, 799683, 1332805, 3998415, 6664025, 19992075]

約数ペア:

[(1, 19992075), (3, 6664025), (5, 3998415), (15, 1332805), (25, 799683), (75, 266561), (149, 134175), (447, 44725), (745, 26835), (1789, 11175), (2235, 8945), (3725, 5367)]