19286896

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11059}}^1$

素因数の和:11176

約数の個数: 20

約数和(自身を含む): 37714600

約数和(自身を除く): 18427704

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11059, 22118, 44236, 88472, 176944, 1205431, 2410862, 4821724, 9643448, 19286896]

約数ペア:

[(1, 19286896), (2, 9643448), (4, 4821724), (8, 2410862), (16, 1205431), (109, 176944), (218, 88472), (436, 44236), (872, 22118), (1744, 11059)]