18105868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 34799184

約数和(自身を除く): 16693316

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2621, 3454, 5242, 6908, 10484, 28831, 57662, 115324, 411497, 822994, 1645988, 4526467, 9052934, 18105868]

約数ペア:

[(1, 18105868), (2, 9052934), (4, 4526467), (11, 1645988), (22, 822994), (44, 411497), (157, 115324), (314, 57662), (628, 28831), (1727, 10484), (2621, 6908), (3454, 5242)]