19962735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4495

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 15938193

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4451, 4485, 13353, 22255, 57863, 66765, 102373, 173589, 289315, 307119, 511865, 867945, 1330849, 1535595, 3992547, 6654245, 19962735]

約数ペア:

[(1, 19962735), (3, 6654245), (5, 3992547), (13, 1535595), (15, 1330849), (23, 867945), (39, 511865), (65, 307119), (69, 289315), (115, 173589), (195, 102373), (299, 66765), (345, 57863), (897, 22255), (1495, 13353), (4451, 4485)]