18521916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 49620480

約数和(自身を除く): 31098564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 311, 622, 709, 933, 1244, 1418, 1866, 2127, 2177, 2836, 3732, 4254, 4354, 4963, 6531, 8508, 8708, 9926, 13062, 14889, 19852, 26124, 29778, 59556, 220499, 440998, 661497, 881996, 1322994, 1543493, 2645988, 3086986, 4630479, 6173972, 9260958, 18521916]

約数ペア:

[(1, 18521916), (2, 9260958), (3, 6173972), (4, 4630479), (6, 3086986), (7, 2645988), (12, 1543493), (14, 1322994), (21, 881996), (28, 661497), (42, 440998), (84, 220499), (311, 59556), (622, 29778), (709, 26124), (933, 19852), (1244, 14889), (1418, 13062), (1866, 9926), (2127, 8708), (2177, 8508), (2836, 6531), (3732, 4963), (4254, 4354)]