19853268

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 48470016

約数和(自身を除く): 28616748

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 643, 996, 1286, 1929, 2572, 2573, 3858, 5146, 7716, 7719, 10292, 15438, 19933, 30876, 39866, 53369, 59799, 79732, 106738, 119598, 160107, 213476, 239196, 320214, 640428, 1654439, 3308878, 4963317, 6617756, 9926634, 19853268]

約数ペア:

[(1, 19853268), (2, 9926634), (3, 6617756), (4, 4963317), (6, 3308878), (12, 1654439), (31, 640428), (62, 320214), (83, 239196), (93, 213476), (124, 160107), (166, 119598), (186, 106738), (249, 79732), (332, 59799), (372, 53369), (498, 39866), (643, 30876), (996, 19933), (1286, 15438), (1929, 10292), (2572, 7719), (2573, 7716), (3858, 5146)]