18388470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4679}}^1$

素因数の和:4820

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 26090250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 4679, 9358, 14037, 23395, 28074, 46790, 70185, 140370, 612949, 1225898, 1838847, 3064745, 3677694, 6129490, 9194235, 18388470]

約数ペア:

[(1, 18388470), (2, 9194235), (3, 6129490), (5, 3677694), (6, 3064745), (10, 1838847), (15, 1225898), (30, 612949), (131, 140370), (262, 70185), (393, 46790), (655, 28074), (786, 23395), (1310, 14037), (1965, 9358), (3930, 4679)]