20180178

素因数分解:

$2^1\times 3^6\times {\mathrm{13841}}^1$

素因数の和:13861

約数の個数: 28

約数和(自身を含む): 45387918

約数和(自身を除く): 25207740

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 13841, 27682, 41523, 83046, 124569, 249138, 373707, 747414, 1121121, 2242242, 3363363, 6726726, 10090089, 20180178]

約数ペア:

[(1, 20180178), (2, 10090089), (3, 6726726), (6, 3363363), (9, 2242242), (18, 1121121), (27, 747414), (54, 373707), (81, 249138), (162, 124569), (243, 83046), (486, 41523), (729, 27682), (1458, 13841)]