18352719

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 33606144

約数和(自身を除く): 15253425

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 373, 497, 639, 693, 781, 1119, 1491, 2343, 2611, 3357, 4103, 4473, 5467, 7029, 7833, 12309, 16401, 23499, 26483, 28721, 36927, 49203, 79449, 86163, 185381, 238347, 258489, 291313, 556143, 873939, 1668429, 2039191, 2621817, 6117573, 18352719]

約数ペア:

[(1, 18352719), (3, 6117573), (7, 2621817), (9, 2039191), (11, 1668429), (21, 873939), (33, 556143), (63, 291313), (71, 258489), (77, 238347), (99, 185381), (213, 86163), (231, 79449), (373, 49203), (497, 36927), (639, 28721), (693, 26483), (781, 23499), (1119, 16401), (1491, 12309), (2343, 7833), (2611, 7029), (3357, 5467), (4103, 4473)]