18007850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2279

約数の個数: 48

約数和(自身を含む): 39961728

約数和(自身を除く): 21953878

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2237, 4025, 4474, 8050, 11185, 15659, 22370, 31318, 51451, 55925, 78295, 102902, 111850, 156590, 257255, 360157, 391475, 514510, 720314, 782950, 1286275, 1800785, 2572550, 3601570, 9003925, 18007850]

約数ペア:

[(1, 18007850), (2, 9003925), (5, 3601570), (7, 2572550), (10, 1800785), (14, 1286275), (23, 782950), (25, 720314), (35, 514510), (46, 391475), (50, 360157), (70, 257255), (115, 156590), (161, 111850), (175, 102902), (230, 78295), (322, 55925), (350, 51451), (575, 31318), (805, 22370), (1150, 15659), (1610, 11185), (2237, 8050), (4025, 4474)]