1969228

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:261

約数の個数: 18

約数和(自身を含む): 3559556

約数和(自身を除く): 1590328

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 4601, 9202, 11449, 18404, 22898, 45796, 492307, 984614, 1969228]

約数ペア:

[(1, 1969228), (2, 984614), (4, 492307), (43, 45796), (86, 22898), (107, 18404), (172, 11449), (214, 9202), (428, 4601)]