19897320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165811}}^1$

素因数の和:165825

約数の個数: 32

約数和(自身を含む): 59692320

約数和(自身を除く): 39795000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165811, 331622, 497433, 663244, 829055, 994866, 1326488, 1658110, 1989732, 2487165, 3316220, 3979464, 4974330, 6632440, 9948660, 19897320]

約数ペア:

[(1, 19897320), (2, 9948660), (3, 6632440), (4, 4974330), (5, 3979464), (6, 3316220), (8, 2487165), (10, 1989732), (12, 1658110), (15, 1326488), (20, 994866), (24, 829055), (30, 663244), (40, 497433), (60, 331622), (120, 165811)]