19707786

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{1931}}^1$

素因数の和:1958

約数の個数: 56

約数和(自身を含む): 50680224

約数和(自身を除く): 30972438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 1931, 3402, 3862, 5103, 5793, 10206, 11586, 13517, 17379, 27034, 34758, 40551, 52137, 81102, 104274, 121653, 156411, 243306, 312822, 364959, 469233, 729918, 938466, 1094877, 1407699, 2189754, 2815398, 3284631, 6569262, 9853893, 19707786]

約数ペア:

[(1, 19707786), (2, 9853893), (3, 6569262), (6, 3284631), (7, 2815398), (9, 2189754), (14, 1407699), (18, 1094877), (21, 938466), (27, 729918), (42, 469233), (54, 364959), (63, 312822), (81, 243306), (126, 156411), (162, 121653), (189, 104274), (243, 81102), (378, 52137), (486, 40551), (567, 34758), (729, 27034), (1134, 17379), (1458, 13517), (1701, 11586), (1931, 10206), (3402, 5793), (3862, 5103)]