18850936

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 39000960

約数和(自身を除く): 20150024

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 169, 191, 292, 338, 382, 584, 676, 764, 949, 1352, 1528, 1898, 2483, 3796, 4966, 7592, 9932, 12337, 13943, 19864, 24674, 27886, 32279, 49348, 55772, 64558, 98696, 111544, 129116, 181259, 258232, 362518, 725036, 1450072, 2356367, 4712734, 9425468, 18850936]

約数ペア:

[(1, 18850936), (2, 9425468), (4, 4712734), (8, 2356367), (13, 1450072), (26, 725036), (52, 362518), (73, 258232), (104, 181259), (146, 129116), (169, 111544), (191, 98696), (292, 64558), (338, 55772), (382, 49348), (584, 32279), (676, 27886), (764, 24674), (949, 19864), (1352, 13943), (1528, 12337), (1898, 9932), (2483, 7592), (3796, 4966)]