19992348

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2819}}^1$

素因数の和:3026

約数の個数: 36

約数和(自身を含む): 50810760

約数和(自身を除く): 30818412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2819, 3546, 5638, 7092, 8457, 11276, 16914, 25371, 33828, 50742, 101484, 555343, 1110686, 1666029, 2221372, 3332058, 4998087, 6664116, 9996174, 19992348]

約数ペア:

[(1, 19992348), (2, 9996174), (3, 6664116), (4, 4998087), (6, 3332058), (9, 2221372), (12, 1666029), (18, 1110686), (36, 555343), (197, 101484), (394, 50742), (591, 33828), (788, 25371), (1182, 16914), (1773, 11276), (2364, 8457), (2819, 7092), (3546, 5638)]