18529420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10181}}^1$

素因数の和:10210

約数の個数: 48

約数和(自身を含む): 47896128

約数和(自身を除く): 29366708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10181, 20362, 40724, 50905, 71267, 101810, 132353, 142534, 203620, 264706, 285068, 356335, 529412, 661765, 712670, 926471, 1323530, 1425340, 1852942, 2647060, 3705884, 4632355, 9264710, 18529420]

約数ペア:

[(1, 18529420), (2, 9264710), (4, 4632355), (5, 3705884), (7, 2647060), (10, 1852942), (13, 1425340), (14, 1323530), (20, 926471), (26, 712670), (28, 661765), (35, 529412), (52, 356335), (65, 285068), (70, 264706), (91, 203620), (130, 142534), (140, 132353), (182, 101810), (260, 71267), (364, 50905), (455, 40724), (910, 20362), (1820, 10181)]