19707210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218969}}^1$

素因数の和:218982

約数の個数: 24

約数和(自身を含む): 51238980

約数和(自身を除く): 31531770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218969, 437938, 656907, 1094845, 1313814, 1970721, 2189690, 3284535, 3941442, 6569070, 9853605, 19707210]

約数ペア:

[(1, 19707210), (2, 9853605), (3, 6569070), (5, 3941442), (6, 3284535), (9, 2189690), (10, 1970721), (15, 1313814), (18, 1094845), (30, 656907), (45, 437938), (90, 218969)]