18879796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5419}}^1$

素因数の和:5503

約数の個数: 24

約数和(自身を含む): 36118880

約数和(自身を除く): 17239084

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5419, 10838, 21676, 70447, 140894, 281788, 363073, 726146, 1452292, 4719949, 9439898, 18879796]

約数ペア:

[(1, 18879796), (2, 9439898), (4, 4719949), (13, 1452292), (26, 726146), (52, 363073), (67, 281788), (134, 140894), (268, 70447), (871, 21676), (1742, 10838), (3484, 5419)]