18357365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 25855200

約数和(自身を除く): 7497835

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 449, 481, 629, 1105, 2245, 2405, 3145, 5837, 7633, 8177, 16613, 29185, 38165, 40885, 83065, 99229, 215969, 282421, 496145, 1079845, 1412105, 3671473, 18357365]

約数ペア:

[(1, 18357365), (5, 3671473), (13, 1412105), (17, 1079845), (37, 496145), (65, 282421), (85, 215969), (185, 99229), (221, 83065), (449, 40885), (481, 38165), (629, 29185), (1105, 16613), (2245, 8177), (2405, 7633), (3145, 5837)]