19263856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70823}}^1$

素因数の和:70848

約数の個数: 20

約数和(自身を含む): 39519792

約数和(自身を除く): 20255936

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70823, 141646, 283292, 566584, 1133168, 1203991, 2407982, 4815964, 9631928, 19263856]

約数ペア:

[(1, 19263856), (2, 9631928), (4, 4815964), (8, 2407982), (16, 1203991), (17, 1133168), (34, 566584), (68, 283292), (136, 141646), (272, 70823)]