19213020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{106739}}^1$

素因数の和:106754

約数の個数: 36

約数和(自身を含む): 58280040

約数和(自身を除く): 39067020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 106739, 213478, 320217, 426956, 533695, 640434, 960651, 1067390, 1280868, 1601085, 1921302, 2134780, 3202170, 3842604, 4803255, 6404340, 9606510, 19213020]

約数ペア:

[(1, 19213020), (2, 9606510), (3, 6404340), (4, 4803255), (5, 3842604), (6, 3202170), (9, 2134780), (10, 1921302), (12, 1601085), (15, 1280868), (18, 1067390), (20, 960651), (30, 640434), (36, 533695), (45, 426956), (60, 320217), (90, 213478), (180, 106739)]