18427255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 28781568

約数和(自身を除く): 10354313

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2081, 8855, 10405, 14567, 22891, 47863, 72835, 114455, 160237, 239315, 335041, 526493, 801185, 1675205, 2632465, 3685451, 18427255]

約数ペア:

[(1, 18427255), (5, 3685451), (7, 2632465), (11, 1675205), (23, 801185), (35, 526493), (55, 335041), (77, 239315), (115, 160237), (161, 114455), (253, 72835), (385, 47863), (805, 22891), (1265, 14567), (1771, 10405), (2081, 8855)]