18998012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3821}}^1$

素因数の和:3949

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 17601460

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 3821, 4972, 7642, 15284, 42031, 84062, 168124, 431773, 863546, 1727092, 4749503, 9499006, 18998012]

約数ペア:

[(1, 18998012), (2, 9499006), (4, 4749503), (11, 1727092), (22, 863546), (44, 431773), (113, 168124), (226, 84062), (452, 42031), (1243, 15284), (2486, 7642), (3821, 4972)]