18231388

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15881}}^1$

素因数の和:15933

約数の個数: 24

約数和(自身を含む): 37354464

約数和(自身を除く): 19123076

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 15881, 31762, 63524, 111167, 222334, 444668, 651121, 1302242, 2604484, 4557847, 9115694, 18231388]

約数ペア:

[(1, 18231388), (2, 9115694), (4, 4557847), (7, 2604484), (14, 1302242), (28, 651121), (41, 444668), (82, 222334), (164, 111167), (287, 63524), (574, 31762), (1148, 15881)]