19994418

素因数分解:

$2^1\times 3^3\times {\mathrm{479}}^1\times {\mathrm{773}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 24587982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 479, 773, 958, 1437, 1546, 2319, 2874, 4311, 4638, 6957, 8622, 12933, 13914, 20871, 25866, 41742, 370267, 740534, 1110801, 2221602, 3332403, 6664806, 9997209, 19994418]

約数ペア:

[(1, 19994418), (2, 9997209), (3, 6664806), (6, 3332403), (9, 2221602), (18, 1110801), (27, 740534), (54, 370267), (479, 41742), (773, 25866), (958, 20871), (1437, 13914), (1546, 12933), (2319, 8622), (2874, 6957), (4311, 4638)]