18779564

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 33815040

約数和(自身を除く): 15035476

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 887, 1774, 3548, 5293, 10586, 21172, 59429, 70073, 118858, 140146, 237716, 280292, 4694891, 9389782, 18779564]

約数ペア:

[(1, 18779564), (2, 9389782), (4, 4694891), (67, 280292), (79, 237716), (134, 140146), (158, 118858), (268, 70073), (316, 59429), (887, 21172), (1774, 10586), (3548, 5293)]