18921170031

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1\times {\mathrm{3347}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 26323315200

約数和(自身を除く): 7402145169

約数列:

[1, 3, 29, 87, 181, 359, 543, 1077, 3347, 5249, 10041, 10411, 15747, 31233, 64979, 97063, 194937, 291189, 605807, 1201573, 1817421, 1884391, 3604719, 5653173, 17568403, 34845617, 52705209, 104536851, 217484713, 652454139, 6307056677, 18921170031]

約数ペア:

[(1, 18921170031), (3, 6307056677), (29, 652454139), (87, 217484713), (181, 104536851), (359, 52705209), (543, 34845617), (1077, 17568403), (3347, 5653173), (5249, 3604719), (10041, 1884391), (10411, 1817421), (15747, 1201573), (31233, 605807), (64979, 291189), (97063, 194937)]