1900019506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{425441}}^1$

素因数の和:425490

約数の個数: 32

約数和(自身を含む): 3675818880

約数和(自身を除く): 1775799374

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 425441, 850882, 2978087, 4679851, 5956174, 9359702, 12337789, 24675578, 32758957, 65517914, 86364523, 135715679, 172729046, 271431358, 950009753, 1900019506]

約数ペア:

[(1, 1900019506), (2, 950009753), (7, 271431358), (11, 172729046), (14, 135715679), (22, 86364523), (29, 65517914), (58, 32758957), (77, 24675578), (154, 12337789), (203, 9359702), (319, 5956174), (406, 4679851), (638, 2978087), (2233, 850882), (4466, 425441)]