18722385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 35830080

約数和(自身を除く): 17107695

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 109, 165, 327, 347, 495, 545, 981, 1041, 1199, 1635, 1735, 3123, 3597, 3817, 4905, 5205, 5995, 10791, 11451, 15615, 17985, 19085, 34353, 37823, 53955, 57255, 113469, 171765, 189115, 340407, 416053, 567345, 1248159, 1702035, 2080265, 3744477, 6240795, 18722385]

約数ペア:

[(1, 18722385), (3, 6240795), (5, 3744477), (9, 2080265), (11, 1702035), (15, 1248159), (33, 567345), (45, 416053), (55, 340407), (99, 189115), (109, 171765), (165, 113469), (327, 57255), (347, 53955), (495, 37823), (545, 34353), (981, 19085), (1041, 17985), (1199, 15615), (1635, 11451), (1735, 10791), (3123, 5995), (3597, 5205), (3817, 4905)]