19450180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42283}}^1$

素因数の和:42315

約数の個数: 24

約数和(自身を含む): 42622272

約数和(自身を除く): 23172092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42283, 84566, 169132, 211415, 422830, 845660, 972509, 1945018, 3890036, 4862545, 9725090, 19450180]

約数ペア:

[(1, 19450180), (2, 9725090), (4, 4862545), (5, 3890036), (10, 1945018), (20, 972509), (23, 845660), (46, 422830), (92, 211415), (115, 169132), (230, 84566), (460, 42283)]