19744530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50627}}^1$

素因数の和:50650

約数の個数: 32

約数和(自身を含む): 51033024

約数和(自身を除く): 31288494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50627, 101254, 151881, 253135, 303762, 506270, 658151, 759405, 1316302, 1518810, 1974453, 3290755, 3948906, 6581510, 9872265, 19744530]

約数ペア:

[(1, 19744530), (2, 9872265), (3, 6581510), (5, 3948906), (6, 3290755), (10, 1974453), (13, 1518810), (15, 1316302), (26, 759405), (30, 658151), (39, 506270), (65, 303762), (78, 253135), (130, 151881), (195, 101254), (390, 50627)]