18200835

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4649}}^1$

素因数の和:4692

約数の個数: 32

約数和(自身を含む): 33480000

約数和(自身を除く): 15279165

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4649, 13947, 23245, 41841, 69735, 125523, 134821, 209205, 404463, 627615, 674105, 1213389, 2022315, 3640167, 6066945, 18200835]

約数ペア:

[(1, 18200835), (3, 6066945), (5, 3640167), (9, 2022315), (15, 1213389), (27, 674105), (29, 627615), (45, 404463), (87, 209205), (135, 134821), (145, 125523), (261, 69735), (435, 41841), (783, 23245), (1305, 13947), (3915, 4649)]