18460244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 36

約数和(自身を含む): 36376032

約数和(自身を除く): 17915788

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 887, 946, 1774, 1892, 3548, 5203, 9757, 10406, 19514, 20812, 38141, 39028, 76282, 107327, 152564, 214654, 419551, 429308, 839102, 1678204, 4615061, 9230122, 18460244]

約数ペア:

[(1, 18460244), (2, 9230122), (4, 4615061), (11, 1678204), (22, 839102), (43, 429308), (44, 419551), (86, 214654), (121, 152564), (172, 107327), (242, 76282), (473, 39028), (484, 38141), (887, 20812), (946, 19514), (1774, 10406), (1892, 9757), (3548, 5203)]