18308619

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1327}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 31447040

約数和(自身を除く): 13138421

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1327, 1533, 1971, 3981, 4599, 9289, 11943, 13797, 27867, 35829, 83601, 96871, 250803, 290613, 678097, 871839, 2034291, 2615517, 6102873, 18308619]

約数ペア:

[(1, 18308619), (3, 6102873), (7, 2615517), (9, 2034291), (21, 871839), (27, 678097), (63, 290613), (73, 250803), (189, 96871), (219, 83601), (511, 35829), (657, 27867), (1327, 13797), (1533, 11943), (1971, 9289), (3981, 4599)]