18776901

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 31102848

約数和(自身を除く): 12325947

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 173, 253, 299, 363, 429, 519, 759, 897, 1573, 1903, 2249, 2783, 3289, 3979, 4719, 5709, 6747, 8349, 9867, 11937, 20933, 24739, 36179, 43769, 51727, 62799, 74217, 108537, 131307, 155181, 272129, 481459, 568997, 816387, 1444377, 1706991, 6258967, 18776901]

約数ペア:

[(1, 18776901), (3, 6258967), (11, 1706991), (13, 1444377), (23, 816387), (33, 568997), (39, 481459), (69, 272129), (121, 155181), (143, 131307), (173, 108537), (253, 74217), (299, 62799), (363, 51727), (429, 43769), (519, 36179), (759, 24739), (897, 20933), (1573, 11937), (1903, 9867), (2249, 8349), (2783, 6747), (3289, 5709), (3979, 4719)]