18410120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20011}}^1$

素因数の和:20045

約数の個数: 32

約数和(自身を含む): 43225920

約数和(自身を除く): 24815800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20011, 40022, 80044, 100055, 160088, 200110, 400220, 460253, 800440, 920506, 1841012, 2301265, 3682024, 4602530, 9205060, 18410120]

約数ペア:

[(1, 18410120), (2, 9205060), (4, 4602530), (5, 3682024), (8, 2301265), (10, 1841012), (20, 920506), (23, 800440), (40, 460253), (46, 400220), (92, 200110), (115, 160088), (184, 100055), (230, 80044), (460, 40022), (920, 20011)]