19399920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80833}}^1$

素因数の和:80849

約数の個数: 40

約数和(自身を含む): 60140496

約数和(自身を除く): 40740576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80833, 161666, 242499, 323332, 404165, 484998, 646664, 808330, 969996, 1212495, 1293328, 1616660, 1939992, 2424990, 3233320, 3879984, 4849980, 6466640, 9699960, 19399920]

約数ペア:

[(1, 19399920), (2, 9699960), (3, 6466640), (4, 4849980), (5, 3879984), (6, 3233320), (8, 2424990), (10, 1939992), (12, 1616660), (15, 1293328), (16, 1212495), (20, 969996), (24, 808330), (30, 646664), (40, 484998), (48, 404165), (60, 323332), (80, 242499), (120, 161666), (240, 80833)]