18123908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17909}}^1$

素因数の和:17947

約数の個数: 24

約数和(自身を含む): 36106560

約数和(自身を除く): 17982652

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 17909, 35818, 71636, 196999, 393998, 411907, 787996, 823814, 1647628, 4530977, 9061954, 18123908]

約数ペア:

[(1, 18123908), (2, 9061954), (4, 4530977), (11, 1647628), (22, 823814), (23, 787996), (44, 411907), (46, 393998), (92, 196999), (253, 71636), (506, 35818), (1012, 17909)]