18239804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1613}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 34978608

約数和(自身を除く): 16738804

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1613, 2827, 3226, 5654, 6452, 11308, 17743, 35486, 70972, 414541, 829082, 1658164, 4559951, 9119902, 18239804]

約数ペア:

[(1, 18239804), (2, 9119902), (4, 4559951), (11, 1658164), (22, 829082), (44, 414541), (257, 70972), (514, 35486), (1028, 17743), (1613, 11308), (2827, 6452), (3226, 5654)]