19133530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2777}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 37803024

約数和(自身を除く): 18669494

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2777, 3445, 5554, 6890, 13885, 27770, 36101, 72202, 147181, 180505, 294362, 361010, 735905, 1471810, 1913353, 3826706, 9566765, 19133530]

約数ペア:

[(1, 19133530), (2, 9566765), (5, 3826706), (10, 1913353), (13, 1471810), (26, 735905), (53, 361010), (65, 294362), (106, 180505), (130, 147181), (265, 72202), (530, 36101), (689, 27770), (1378, 13885), (2777, 6890), (3445, 5554)]