19519548

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 28380612

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 197, 276, 359, 394, 591, 718, 788, 1077, 1182, 1436, 2154, 2364, 4308, 4531, 8257, 9062, 13593, 16514, 18124, 24771, 27186, 33028, 49542, 54372, 70723, 99084, 141446, 212169, 282892, 424338, 848676, 1626629, 3253258, 4879887, 6506516, 9759774, 19519548]

約数ペア:

[(1, 19519548), (2, 9759774), (3, 6506516), (4, 4879887), (6, 3253258), (12, 1626629), (23, 848676), (46, 424338), (69, 282892), (92, 212169), (138, 141446), (197, 99084), (276, 70723), (359, 54372), (394, 49542), (591, 33028), (718, 27186), (788, 24771), (1077, 18124), (1182, 16514), (1436, 13593), (2154, 9062), (2364, 8257), (4308, 4531)]