18289845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 37420032

約数和(自身を除く): 19130187

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1873, 1953, 3255, 5619, 9365, 9765, 13111, 16857, 28095, 39333, 58063, 65555, 84285, 117999, 174189, 196665, 290315, 406441, 522567, 589995, 870945, 1219323, 2032205, 2612835, 3657969, 6096615, 18289845]

約数ペア:

[(1, 18289845), (3, 6096615), (5, 3657969), (7, 2612835), (9, 2032205), (15, 1219323), (21, 870945), (31, 589995), (35, 522567), (45, 406441), (63, 290315), (93, 196665), (105, 174189), (155, 117999), (217, 84285), (279, 65555), (315, 58063), (465, 39333), (651, 28095), (1085, 16857), (1395, 13111), (1873, 9765), (1953, 9365), (3255, 5619)]