2018018853

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{19979}}^1$

素因数の和:20063

約数の個数: 40

約数和(自身を含む): 3191205600

約数和(自身を除く): 1173186747

約数列:

[1, 3, 9, 27, 29, 43, 81, 87, 129, 261, 387, 783, 1161, 1247, 2349, 3483, 3741, 11223, 19979, 33669, 59937, 101007, 179811, 539433, 579391, 859097, 1618299, 1738173, 2577291, 5214519, 7731873, 15643557, 23195619, 24913813, 46930671, 69586857, 74741439, 224224317, 672672951, 2018018853]

約数ペア:

[(1, 2018018853), (3, 672672951), (9, 224224317), (27, 74741439), (29, 69586857), (43, 46930671), (81, 24913813), (87, 23195619), (129, 15643557), (261, 7731873), (387, 5214519), (783, 2577291), (1161, 1738173), (1247, 1618299), (2349, 859097), (3483, 579391), (3741, 539433), (11223, 179811), (19979, 101007), (33669, 59937)]