20189862318

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{290761}}^1$

素因数の和:291000

約数の個数: 32

約数和(自身を含む): 41199812352

約数和(自身を除く): 21009950034

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 326, 426, 489, 978, 11573, 23146, 34719, 69438, 290761, 581522, 872283, 1744566, 20644031, 41288062, 47394043, 61932093, 94788086, 123864186, 142182129, 284364258, 3364977053, 6729954106, 10094931159, 20189862318]

約数ペア:

[(1, 20189862318), (2, 10094931159), (3, 6729954106), (6, 3364977053), (71, 284364258), (142, 142182129), (163, 123864186), (213, 94788086), (326, 61932093), (426, 47394043), (489, 41288062), (978, 20644031), (11573, 1744566), (23146, 872283), (34719, 581522), (69438, 290761)]