18822947

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 4885213

約数列:

[1, 11, 13, 23, 59, 97, 143, 253, 299, 649, 767, 1067, 1261, 1357, 2231, 3289, 5723, 8437, 13871, 14927, 17641, 24541, 29003, 62953, 74399, 131629, 194051, 319033, 818389, 1447919, 1711177, 18822947]

約数ペア:

[(1, 18822947), (11, 1711177), (13, 1447919), (23, 818389), (59, 319033), (97, 194051), (143, 131629), (253, 74399), (299, 62953), (649, 29003), (767, 24541), (1067, 17641), (1261, 14927), (1357, 13871), (2231, 8437), (3289, 5723)]