18967280

素因数分解:

$2^4\times 5^1\times {\mathrm{237091}}^1$

素因数の和:237104

約数の個数: 20

約数和(自身を含む): 44099112

約数和(自身を除く): 25131832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237091, 474182, 948364, 1185455, 1896728, 2370910, 3793456, 4741820, 9483640, 18967280]

約数ペア:

[(1, 18967280), (2, 9483640), (4, 4741820), (5, 3793456), (8, 2370910), (10, 1896728), (16, 1185455), (20, 948364), (40, 474182), (80, 237091)]