18481420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40177}}^1$

素因数の和:40209

約数の個数: 24

約数和(自身を含む): 40499424

約数和(自身を除く): 22018004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40177, 80354, 160708, 200885, 401770, 803540, 924071, 1848142, 3696284, 4620355, 9240710, 18481420]

約数ペア:

[(1, 18481420), (2, 9240710), (4, 4620355), (5, 3696284), (10, 1848142), (20, 924071), (23, 803540), (46, 401770), (92, 200885), (115, 160708), (230, 80354), (460, 40177)]