18993268

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1297}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 38088512

約数和(自身を除く): 19095244

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 1297, 2092, 2594, 3661, 5188, 7322, 9079, 14644, 18158, 36316, 678331, 1356662, 2713324, 4748317, 9496634, 18993268]

約数ペア:

[(1, 18993268), (2, 9496634), (4, 4748317), (7, 2713324), (14, 1356662), (28, 678331), (523, 36316), (1046, 18158), (1297, 14644), (2092, 9079), (2594, 7322), (3661, 5188)]