18427647

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10602753

約数列:

[1, 3, 7, 21, 59, 107, 139, 177, 321, 413, 417, 749, 973, 1239, 2247, 2919, 6313, 8201, 14873, 18939, 24603, 44191, 44619, 57407, 104111, 132573, 172221, 312333, 877507, 2632521, 6142549, 18427647]

約数ペア:

[(1, 18427647), (3, 6142549), (7, 2632521), (21, 877507), (59, 312333), (107, 172221), (139, 132573), (177, 104111), (321, 57407), (413, 44619), (417, 44191), (749, 24603), (973, 18939), (1239, 14873), (2247, 8201), (2919, 6313)]