18664304

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2239}}^1$

素因数の和:2768

約数の個数: 20

約数和(自身を含む): 36247680

約数和(自身を除く): 17583376

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2239, 4168, 4478, 8336, 8956, 17912, 35824, 1166519, 2333038, 4666076, 9332152, 18664304]

約数ペア:

[(1, 18664304), (2, 9332152), (4, 4666076), (8, 2333038), (16, 1166519), (521, 35824), (1042, 17912), (2084, 8956), (2239, 8336), (4168, 4478)]