18185871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 28293120

約数和(自身を除く): 10107249

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 319, 341, 613, 899, 957, 1023, 1839, 2697, 6743, 9889, 17777, 19003, 20229, 29667, 53331, 57009, 195547, 209033, 551087, 586641, 627099, 1653261, 6061957, 18185871]

約数ペア:

[(1, 18185871), (3, 6061957), (11, 1653261), (29, 627099), (31, 586641), (33, 551087), (87, 209033), (93, 195547), (319, 57009), (341, 53331), (613, 29667), (899, 20229), (957, 19003), (1023, 17777), (1839, 9889), (2697, 6743)]