19971340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13679}}^1$

素因数の和:13761

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 22546100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13679, 27358, 54716, 68395, 136790, 273580, 998567, 1997134, 3994268, 4992835, 9985670, 19971340]

約数ペア:

[(1, 19971340), (2, 9985670), (4, 4992835), (5, 3994268), (10, 1997134), (20, 998567), (73, 273580), (146, 136790), (292, 68395), (365, 54716), (730, 27358), (1460, 13679)]