19976772

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 28794300

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 647, 996, 1294, 1941, 2573, 2588, 3882, 5146, 7719, 7764, 10292, 15438, 20057, 30876, 40114, 53701, 60171, 80228, 107402, 120342, 161103, 214804, 240684, 322206, 644412, 1664731, 3329462, 4994193, 6658924, 9988386, 19976772]

約数ペア:

[(1, 19976772), (2, 9988386), (3, 6658924), (4, 4994193), (6, 3329462), (12, 1664731), (31, 644412), (62, 322206), (83, 240684), (93, 214804), (124, 161103), (166, 120342), (186, 107402), (249, 80228), (332, 60171), (372, 53701), (498, 40114), (647, 30876), (996, 20057), (1294, 15438), (1941, 10292), (2573, 7764), (2588, 7719), (3882, 5146)]