18478545

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 14007855

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2819, 6555, 8457, 14095, 42285, 53561, 64837, 160683, 194511, 267805, 324185, 803415, 972555, 1231903, 3695709, 6159515, 18478545]

約数ペア:

[(1, 18478545), (3, 6159515), (5, 3695709), (15, 1231903), (19, 972555), (23, 803415), (57, 324185), (69, 267805), (95, 194511), (115, 160683), (285, 64837), (345, 53561), (437, 42285), (1311, 14095), (2185, 8457), (2819, 6555)]