18912328

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 36723960

約数和(自身を除く): 17811632

約数列:

[1, 2, 4, 8, 37, 74, 148, 181, 296, 353, 362, 706, 724, 1412, 1448, 2824, 6697, 13061, 13394, 26122, 26788, 52244, 53576, 63893, 104488, 127786, 255572, 511144, 2364041, 4728082, 9456164, 18912328]

約数ペア:

[(1, 18912328), (2, 9456164), (4, 4728082), (8, 2364041), (37, 511144), (74, 255572), (148, 127786), (181, 104488), (296, 63893), (353, 53576), (362, 52244), (706, 26788), (724, 26122), (1412, 13394), (1448, 13061), (2824, 6697)]