18275998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 24

約数和(自身を含む): 29975400

約数和(自身を除く): 11699402

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 389, 778, 1807, 3614, 5057, 10114, 23491, 46982, 54071, 65741, 108142, 131482, 702923, 1405846, 9137999, 18275998]

約数ペア:

[(1, 18275998), (2, 9137999), (13, 1405846), (26, 702923), (139, 131482), (169, 108142), (278, 65741), (338, 54071), (389, 46982), (778, 23491), (1807, 10114), (3614, 5057)]