19869564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11579}}^1$

素因数の和:11610

約数の個数: 48

約数和(自身を含む): 54472320

約数和(自身を除く): 34602756

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11579, 23158, 34737, 46316, 69474, 127369, 138948, 150527, 254738, 301054, 382107, 451581, 509476, 602108, 764214, 903162, 1528428, 1655797, 1806324, 3311594, 4967391, 6623188, 9934782, 19869564]

約数ペア:

[(1, 19869564), (2, 9934782), (3, 6623188), (4, 4967391), (6, 3311594), (11, 1806324), (12, 1655797), (13, 1528428), (22, 903162), (26, 764214), (33, 602108), (39, 509476), (44, 451581), (52, 382107), (66, 301054), (78, 254738), (132, 150527), (143, 138948), (156, 127369), (286, 69474), (429, 46316), (572, 34737), (858, 23158), (1716, 11579)]