18394325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 23766336

約数和(自身を除く): 5372011

約数列:

[1, 5, 25, 43, 71, 215, 241, 355, 1075, 1205, 1775, 3053, 6025, 10363, 15265, 17111, 51815, 76325, 85555, 259075, 427775, 735773, 3678865, 18394325]

約数ペア:

[(1, 18394325), (5, 3678865), (25, 735773), (43, 427775), (71, 259075), (215, 85555), (241, 76325), (355, 51815), (1075, 17111), (1205, 15265), (1775, 10363), (3053, 6025)]