19311530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2531}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 40106880

約数和(自身を除く): 20795350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2531, 3815, 5062, 7630, 12655, 17717, 25310, 35434, 88585, 177170, 275879, 551758, 1379395, 1931153, 2758790, 3862306, 9655765, 19311530]

約数ペア:

[(1, 19311530), (2, 9655765), (5, 3862306), (7, 2758790), (10, 1931153), (14, 1379395), (35, 551758), (70, 275879), (109, 177170), (218, 88585), (545, 35434), (763, 25310), (1090, 17717), (1526, 12655), (2531, 7630), (3815, 5062)]