19638075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9029}}^1$

素因数の和:9071

約数の個数: 24

約数和(自身を含む): 33591600

約数和(自身を除く): 13953525

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9029, 27087, 45145, 135435, 225725, 261841, 677175, 785523, 1309205, 3927615, 6546025, 19638075]

約数ペア:

[(1, 19638075), (3, 6546025), (5, 3927615), (15, 1309205), (25, 785523), (29, 677175), (75, 261841), (87, 225725), (145, 135435), (435, 45145), (725, 27087), (2175, 9029)]