18280008

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{827}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 49729680

約数和(自身を除く): 31449672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 827, 921, 1228, 1654, 1842, 2456, 2481, 2763, 3308, 3684, 4962, 5526, 6616, 7368, 7443, 9924, 11052, 14886, 19848, 22104, 29772, 59544, 253889, 507778, 761667, 1015556, 1523334, 2031112, 2285001, 3046668, 4570002, 6093336, 9140004, 18280008]

約数ペア:

[(1, 18280008), (2, 9140004), (3, 6093336), (4, 4570002), (6, 3046668), (8, 2285001), (9, 2031112), (12, 1523334), (18, 1015556), (24, 761667), (36, 507778), (72, 253889), (307, 59544), (614, 29772), (827, 22104), (921, 19848), (1228, 14886), (1654, 11052), (1842, 9924), (2456, 7443), (2481, 7368), (2763, 6616), (3308, 5526), (3684, 4962)]