18158380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53407}}^1$

素因数の和:53433

約数の個数: 24

約数和(自身を含む): 40376448

約数和(自身を除く): 22218068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53407, 106814, 213628, 267035, 534070, 907919, 1068140, 1815838, 3631676, 4539595, 9079190, 18158380]

約数ペア:

[(1, 18158380), (2, 9079190), (4, 4539595), (5, 3631676), (10, 1815838), (17, 1068140), (20, 907919), (34, 534070), (68, 267035), (85, 213628), (170, 106814), (340, 53407)]