18456165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4507}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 39381888

約数和(自身を除く): 20925723

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4507, 13521, 22535, 31549, 40563, 58591, 67605, 94647, 157745, 175773, 202815, 283941, 292955, 410137, 473235, 527319, 878865, 1230411, 1419705, 2050685, 2636595, 3691233, 6152055, 18456165]

約数ペア:

[(1, 18456165), (3, 6152055), (5, 3691233), (7, 2636595), (9, 2050685), (13, 1419705), (15, 1230411), (21, 878865), (35, 527319), (39, 473235), (45, 410137), (63, 292955), (65, 283941), (91, 202815), (105, 175773), (117, 157745), (195, 94647), (273, 67605), (315, 58591), (455, 40563), (585, 31549), (819, 22535), (1365, 13521), (4095, 4507)]