18166460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 41531616

約数和(自身を除く): 23365156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 653, 1070, 1306, 1391, 2140, 2612, 2782, 3265, 5564, 6530, 6955, 8489, 13060, 13910, 16978, 27820, 33956, 42445, 69871, 84890, 139742, 169780, 279484, 349355, 698710, 908323, 1397420, 1816646, 3633292, 4541615, 9083230, 18166460]

約数ペア:

[(1, 18166460), (2, 9083230), (4, 4541615), (5, 3633292), (10, 1816646), (13, 1397420), (20, 908323), (26, 698710), (52, 349355), (65, 279484), (107, 169780), (130, 139742), (214, 84890), (260, 69871), (428, 42445), (535, 33956), (653, 27820), (1070, 16978), (1306, 13910), (1391, 13060), (2140, 8489), (2612, 6955), (2782, 6530), (3265, 5564)]