18786420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104369}}^1$

素因数の和:104384

約数の個数: 36

約数和(自身を含む): 56986020

約数和(自身を除く): 38199600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104369, 208738, 313107, 417476, 521845, 626214, 939321, 1043690, 1252428, 1565535, 1878642, 2087380, 3131070, 3757284, 4696605, 6262140, 9393210, 18786420]

約数ペア:

[(1, 18786420), (2, 9393210), (3, 6262140), (4, 4696605), (5, 3757284), (6, 3131070), (9, 2087380), (10, 1878642), (12, 1565535), (15, 1252428), (18, 1043690), (20, 939321), (30, 626214), (36, 521845), (45, 417476), (60, 313107), (90, 208738), (180, 104369)]