18647724

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 26591316

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 509, 516, 852, 1018, 1527, 2036, 3053, 3054, 6106, 6108, 9159, 12212, 18318, 21887, 36139, 36636, 43774, 65661, 72278, 87548, 108417, 131322, 144556, 216834, 262644, 433668, 1553977, 3107954, 4661931, 6215908, 9323862, 18647724]

約数ペア:

[(1, 18647724), (2, 9323862), (3, 6215908), (4, 4661931), (6, 3107954), (12, 1553977), (43, 433668), (71, 262644), (86, 216834), (129, 144556), (142, 131322), (172, 108417), (213, 87548), (258, 72278), (284, 65661), (426, 43774), (509, 36636), (516, 36139), (852, 21887), (1018, 18318), (1527, 12212), (2036, 9159), (3053, 6108), (3054, 6106)]