20198501874

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19686649}}^1$

素因数の和:19686679

約数の個数: 32

約数和(自身を含む): 47247960000

約数和(自身を除く): 27049458126

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19686649, 39373298, 59059947, 118119894, 177179841, 354359682, 374046331, 531539523, 748092662, 1063079046, 1122138993, 2244277986, 3366416979, 6732833958, 10099250937, 20198501874]

約数ペア:

[(1, 20198501874), (2, 10099250937), (3, 6732833958), (6, 3366416979), (9, 2244277986), (18, 1122138993), (19, 1063079046), (27, 748092662), (38, 531539523), (54, 374046331), (57, 354359682), (114, 177179841), (171, 118119894), (342, 59059947), (513, 39373298), (1026, 19686649)]