19999430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181813}}^1$

素因数の和:181831

約数の個数: 16

約数和(自身を含む): 39271824

約数和(自身を除く): 19272394

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181813, 363626, 909065, 1818130, 1999943, 3999886, 9999715, 19999430]

約数ペア:

[(1, 19999430), (2, 9999715), (5, 3999886), (10, 1999943), (11, 1818130), (22, 909065), (55, 363626), (110, 181813)]