18984526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11821}}^1$

素因数の和:11907

約数の個数: 16

約数和(自身を含む): 31493808

約数和(自身を除く): 12509282

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 11821, 23642, 130031, 260062, 862933, 1725866, 9492263, 18984526]

約数ペア:

[(1, 18984526), (2, 9492263), (11, 1725866), (22, 862933), (73, 260062), (146, 130031), (803, 23642), (1606, 11821)]