18867636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{22787}}^1$

素因数の和:22820

約数の個数: 36

約数和(自身を含む): 49768992

約数和(自身を除く): 30901356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 22787, 45574, 68361, 91148, 136722, 205083, 273444, 410166, 524101, 820332, 1048202, 1572303, 2096404, 3144606, 4716909, 6289212, 9433818, 18867636]

約数ペア:

[(1, 18867636), (2, 9433818), (3, 6289212), (4, 4716909), (6, 3144606), (9, 2096404), (12, 1572303), (18, 1048202), (23, 820332), (36, 524101), (46, 410166), (69, 273444), (92, 205083), (138, 136722), (207, 91148), (276, 68361), (414, 45574), (828, 22787)]