18066040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 43156800

約数和(自身を除く): 25090760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 269, 292, 365, 460, 538, 584, 730, 920, 1076, 1345, 1460, 1679, 2152, 2690, 2920, 3358, 5380, 6187, 6716, 8395, 10760, 12374, 13432, 16790, 19637, 24748, 30935, 33580, 39274, 49496, 61870, 67160, 78548, 98185, 123740, 157096, 196370, 247480, 392740, 451651, 785480, 903302, 1806604, 2258255, 3613208, 4516510, 9033020, 18066040]

約数ペア:

[(1, 18066040), (2, 9033020), (4, 4516510), (5, 3613208), (8, 2258255), (10, 1806604), (20, 903302), (23, 785480), (40, 451651), (46, 392740), (73, 247480), (92, 196370), (115, 157096), (146, 123740), (184, 98185), (230, 78548), (269, 67160), (292, 61870), (365, 49496), (460, 39274), (538, 33580), (584, 30935), (730, 24748), (920, 19637), (1076, 16790), (1345, 13432), (1460, 12374), (1679, 10760), (2152, 8395), (2690, 6716), (2920, 6187), (3358, 5380)]