19021885

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 23598000

約数和(自身を除く): 4576115

約数列:

[1, 5, 37, 185, 229, 449, 1145, 2245, 8473, 16613, 42365, 83065, 102821, 514105, 3804377, 19021885]

約数ペア:

[(1, 19021885), (5, 3804377), (37, 514105), (185, 102821), (229, 83065), (449, 42365), (1145, 16613), (2245, 8473)]