18986670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{70321}}^1$

素因数の和:70337

約数の個数: 32

約数和(自身を含む): 50631840

約数和(自身を除く): 31645170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 70321, 140642, 210963, 351605, 421926, 632889, 703210, 1054815, 1265778, 1898667, 2109630, 3164445, 3797334, 6328890, 9493335, 18986670]

約数ペア:

[(1, 18986670), (2, 9493335), (3, 6328890), (5, 3797334), (6, 3164445), (9, 2109630), (10, 1898667), (15, 1265778), (18, 1054815), (27, 703210), (30, 632889), (45, 421926), (54, 351605), (90, 210963), (135, 140642), (270, 70321)]