18306418

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 24

約数和(自身を含む): 30482676

約数和(自身を除く): 12176258

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1321, 2642, 6929, 13858, 17173, 34346, 54161, 108322, 223249, 446498, 704093, 1408186, 9153209, 18306418]

約数ペア:

[(1, 18306418), (2, 9153209), (13, 1408186), (26, 704093), (41, 446498), (82, 223249), (169, 108322), (338, 54161), (533, 34346), (1066, 17173), (1321, 13858), (2642, 6929)]