18740865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8737}}^1$

素因数の和:8769

約数の個数: 32

約数和(自身を含む): 35231616

約数和(自身を除く): 16490751

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 8737, 26211, 43685, 96107, 113581, 131055, 288321, 340743, 480535, 567905, 1249391, 1441605, 1703715, 3748173, 6246955, 18740865]

約数ペア:

[(1, 18740865), (3, 6246955), (5, 3748173), (11, 1703715), (13, 1441605), (15, 1249391), (33, 567905), (39, 480535), (55, 340743), (65, 288321), (143, 131055), (165, 113581), (195, 96107), (429, 43685), (715, 26211), (2145, 8737)]