19699910

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1439}}^1$

素因数の和:1520

約数の個数: 24

約数和(自身を含む): 36469440

約数和(自身を除く): 16769530

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 1439, 2738, 2878, 6845, 7195, 13690, 14390, 53243, 106486, 266215, 532430, 1969991, 3939982, 9849955, 19699910]

約数ペア:

[(1, 19699910), (2, 9849955), (5, 3939982), (10, 1969991), (37, 532430), (74, 266215), (185, 106486), (370, 53243), (1369, 14390), (1439, 13690), (2738, 7195), (2878, 6845)]