18841172

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 20296108

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 103, 139, 188, 206, 278, 329, 412, 556, 658, 721, 973, 1316, 1442, 1946, 2884, 3892, 4841, 6533, 9682, 13066, 14317, 19364, 26132, 28634, 33887, 45731, 57268, 67774, 91462, 100219, 135548, 182924, 200438, 400876, 672899, 1345798, 2691596, 4710293, 9420586, 18841172]

約数ペア:

[(1, 18841172), (2, 9420586), (4, 4710293), (7, 2691596), (14, 1345798), (28, 672899), (47, 400876), (94, 200438), (103, 182924), (139, 135548), (188, 100219), (206, 91462), (278, 67774), (329, 57268), (412, 45731), (556, 33887), (658, 28634), (721, 26132), (973, 19364), (1316, 14317), (1442, 13066), (1946, 9682), (2884, 6533), (3892, 4841)]