19719844

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 35974400

約数和(自身を除く): 16254556

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1459, 2918, 3379, 5836, 6758, 13516, 45229, 90458, 159031, 180916, 318062, 636124, 4929961, 9859922, 19719844]

約数ペア:

[(1, 19719844), (2, 9859922), (4, 4929961), (31, 636124), (62, 318062), (109, 180916), (124, 159031), (218, 90458), (436, 45229), (1459, 13516), (2918, 6758), (3379, 5836)]