18458868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 26247948

約数列:

[1, 2, 3, 4, 6, 12, 43, 83, 86, 129, 166, 172, 249, 258, 332, 431, 498, 516, 862, 996, 1293, 1724, 2586, 3569, 5172, 7138, 10707, 14276, 18533, 21414, 35773, 37066, 42828, 55599, 71546, 74132, 107319, 111198, 143092, 214638, 222396, 429276, 1538239, 3076478, 4614717, 6152956, 9229434, 18458868]

約数ペア:

[(1, 18458868), (2, 9229434), (3, 6152956), (4, 4614717), (6, 3076478), (12, 1538239), (43, 429276), (83, 222396), (86, 214638), (129, 143092), (166, 111198), (172, 107319), (249, 74132), (258, 71546), (332, 55599), (431, 42828), (498, 37066), (516, 35773), (862, 21414), (996, 18533), (1293, 14276), (1724, 10707), (2586, 7138), (3569, 5172)]