19825390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11731}}^1$

素因数の和:11764

約数の個数: 24

約数和(自身を含む): 38645208

約数和(自身を除く): 18819818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11731, 23462, 58655, 117310, 152503, 305006, 762515, 1525030, 1982539, 3965078, 9912695, 19825390]

約数ペア:

[(1, 19825390), (2, 9912695), (5, 3965078), (10, 1982539), (13, 1525030), (26, 762515), (65, 305006), (130, 152503), (169, 117310), (338, 58655), (845, 23462), (1690, 11731)]