18317800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1367}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 43256160

約数和(自身を除く): 24938360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1367, 1675, 2680, 2734, 3350, 5468, 6700, 6835, 10936, 13400, 13670, 27340, 34175, 54680, 68350, 91589, 136700, 183178, 273400, 366356, 457945, 732712, 915890, 1831780, 2289725, 3663560, 4579450, 9158900, 18317800]

約数ペア:

[(1, 18317800), (2, 9158900), (4, 4579450), (5, 3663560), (8, 2289725), (10, 1831780), (20, 915890), (25, 732712), (40, 457945), (50, 366356), (67, 273400), (100, 183178), (134, 136700), (200, 91589), (268, 68350), (335, 54680), (536, 34175), (670, 27340), (1340, 13670), (1367, 13400), (1675, 10936), (2680, 6835), (2734, 6700), (3350, 5468)]