18864664

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25913}}^1$

素因数の和:25939

約数の個数: 32

約数和(自身を含む): 43535520

約数和(自身を除く): 24670856

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 25913, 51826, 103652, 181391, 207304, 336869, 362782, 673738, 725564, 1347476, 1451128, 2358083, 2694952, 4716166, 9432332, 18864664]

約数ペア:

[(1, 18864664), (2, 9432332), (4, 4716166), (7, 2694952), (8, 2358083), (13, 1451128), (14, 1347476), (26, 725564), (28, 673738), (52, 362782), (56, 336869), (91, 207304), (104, 181391), (182, 103652), (364, 51826), (728, 25913)]