18364120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19961}}^1$

素因数の和:19995

約数の個数: 32

約数和(自身を含む): 43117920

約数和(自身を除く): 24753800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19961, 39922, 79844, 99805, 159688, 199610, 399220, 459103, 798440, 918206, 1836412, 2295515, 3672824, 4591030, 9182060, 18364120]

約数ペア:

[(1, 18364120), (2, 9182060), (4, 4591030), (5, 3672824), (8, 2295515), (10, 1836412), (20, 918206), (23, 798440), (40, 459103), (46, 399220), (92, 199610), (115, 159688), (184, 99805), (230, 79844), (460, 39922), (920, 19961)]