17780380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38653}}^1$

素因数の和:38685

約数の個数: 24

約数和(自身を含む): 38963232

約数和(自身を除く): 21182852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 38653, 77306, 154612, 193265, 386530, 773060, 889019, 1778038, 3556076, 4445095, 8890190, 17780380]

約数ペア:

[(1, 17780380), (2, 8890190), (4, 4445095), (5, 3556076), (10, 1778038), (20, 889019), (23, 773060), (46, 386530), (92, 193265), (115, 154612), (230, 77306), (460, 38653)]