12189849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 19783680

約数和(自身を除く): 7593831

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 223, 399, 411, 669, 959, 1561, 2603, 2877, 4237, 4683, 7809, 12711, 18221, 29659, 30551, 54663, 88977, 91653, 213857, 580469, 641571, 1741407, 4063283, 12189849]

約数ペア:

[(1, 12189849), (3, 4063283), (7, 1741407), (19, 641571), (21, 580469), (57, 213857), (133, 91653), (137, 88977), (223, 54663), (399, 30551), (411, 29659), (669, 18221), (959, 12711), (1561, 7809), (2603, 4683), (2877, 4237)]