18984995519

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{108917}}^1$

素因数の和:109634

約数の個数: 16

約数和(自身を含む): 22316862528

約数和(自身を除く): 3331867009

約数列:

[1, 7, 37, 259, 673, 4711, 24901, 108917, 174307, 762419, 4029929, 28209503, 73301141, 513107987, 2712142217, 18984995519]

約数ペア:

[(1, 18984995519), (7, 2712142217), (37, 513107987), (259, 73301141), (673, 28209503), (4711, 4029929), (24901, 762419), (108917, 174307)]