19788165

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6373}}^1$

素因数の和:6410

約数の個数: 32

約数和(自身を含む): 36714240

約数和(自身を除く): 16926075

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6373, 19119, 31865, 57357, 95595, 146579, 172071, 286785, 439737, 732895, 860355, 1319211, 2198685, 3957633, 6596055, 19788165]

約数ペア:

[(1, 19788165), (3, 6596055), (5, 3957633), (9, 2198685), (15, 1319211), (23, 860355), (27, 732895), (45, 439737), (69, 286785), (115, 172071), (135, 146579), (207, 95595), (345, 57357), (621, 31865), (1035, 19119), (3105, 6373)]