19508140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42409}}^1$

素因数の和:42441

約数の個数: 24

約数和(自身を含む): 42749280

約数和(自身を除く): 23241140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42409, 84818, 169636, 212045, 424090, 848180, 975407, 1950814, 3901628, 4877035, 9754070, 19508140]

約数ペア:

[(1, 19508140), (2, 9754070), (4, 4877035), (5, 3901628), (10, 1950814), (20, 975407), (23, 848180), (46, 424090), (92, 212045), (115, 169636), (230, 84818), (460, 42409)]