19472397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 12630003

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 1319, 2109, 3957, 4921, 9233, 14763, 25061, 27699, 48803, 75183, 146409, 175427, 341621, 526281, 927257, 1024863, 2781771, 6490799, 19472397]

約数ペア:

[(1, 19472397), (3, 6490799), (7, 2781771), (19, 1024863), (21, 927257), (37, 526281), (57, 341621), (111, 175427), (133, 146409), (259, 75183), (399, 48803), (703, 27699), (777, 25061), (1319, 14763), (2109, 9233), (3957, 4921)]