19980918

素因数分解:

$2^1\times 3^5\times {\mathrm{41113}}^1$

素因数の和:41130

約数の個数: 24

約数和(自身を含む): 44896488

約数和(自身を除く): 24915570

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 41113, 82226, 123339, 246678, 370017, 740034, 1110051, 2220102, 3330153, 6660306, 9990459, 19980918]

約数ペア:

[(1, 19980918), (2, 9990459), (3, 6660306), (6, 3330153), (9, 2220102), (18, 1110051), (27, 740034), (54, 370017), (81, 246678), (162, 123339), (243, 82226), (486, 41113)]