18460143

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 30410688

約数和(自身を除く): 11950545

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 351, 373, 423, 611, 1053, 1119, 1269, 1833, 3357, 3807, 4849, 5499, 10071, 14547, 16497, 17531, 30213, 43641, 49491, 52593, 130923, 157779, 227903, 392769, 473337, 683709, 1420011, 2051127, 6153381, 18460143]

約数ペア:

[(1, 18460143), (3, 6153381), (9, 2051127), (13, 1420011), (27, 683709), (39, 473337), (47, 392769), (81, 227903), (117, 157779), (141, 130923), (351, 52593), (373, 49491), (423, 43641), (611, 30213), (1053, 17531), (1119, 16497), (1269, 14547), (1833, 10071), (3357, 5499), (3807, 4849)]