19185386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4133}}^1$

素因数の和:4357

約数の個数: 16

約数和(自身を含む): 31550688

約数和(自身を除く): 12365302

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4133, 4642, 8266, 45463, 90926, 872063, 1744126, 9592693, 19185386]

約数ペア:

[(1, 19185386), (2, 9592693), (11, 1744126), (22, 872063), (211, 90926), (422, 45463), (2321, 8266), (4133, 4642)]