19618836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 47323584

約数和(自身を除く): 27704748

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 193, 197, 258, 386, 394, 516, 579, 591, 772, 788, 1158, 1182, 2316, 2364, 8299, 8471, 16598, 16942, 24897, 25413, 33196, 33884, 38021, 49794, 50826, 76042, 99588, 101652, 114063, 152084, 228126, 456252, 1634903, 3269806, 4904709, 6539612, 9809418, 19618836]

約数ペア:

[(1, 19618836), (2, 9809418), (3, 6539612), (4, 4904709), (6, 3269806), (12, 1634903), (43, 456252), (86, 228126), (129, 152084), (172, 114063), (193, 101652), (197, 99588), (258, 76042), (386, 50826), (394, 49794), (516, 38021), (579, 33884), (591, 33196), (772, 25413), (788, 24897), (1158, 16942), (1182, 16598), (2316, 8471), (2364, 8299)]