15939119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 20428800

約数和(自身を除く): 4489681

約数列:

[1, 7, 19, 37, 41, 79, 133, 259, 287, 553, 703, 779, 1501, 1517, 2923, 3239, 4921, 5453, 10507, 10619, 20461, 22673, 28823, 55537, 61541, 119843, 201761, 388759, 430787, 838901, 2277017, 15939119]

約数ペア:

[(1, 15939119), (7, 2277017), (19, 838901), (37, 430787), (41, 388759), (79, 201761), (133, 119843), (259, 61541), (287, 55537), (553, 28823), (703, 22673), (779, 20461), (1501, 10619), (1517, 10507), (2923, 5453), (3239, 4921)]