20188754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 33324480

約数和(自身を除く): 13135726

約数列:

[1, 2, 19, 37, 38, 74, 83, 166, 173, 346, 703, 1406, 1577, 3071, 3154, 3287, 6142, 6401, 6574, 12802, 14359, 28718, 58349, 116698, 121619, 243238, 272821, 531283, 545642, 1062566, 10094377, 20188754]

約数ペア:

[(1, 20188754), (2, 10094377), (19, 1062566), (37, 545642), (38, 531283), (74, 272821), (83, 243238), (166, 121619), (173, 116698), (346, 58349), (703, 28718), (1406, 14359), (1577, 12802), (3071, 6574), (3154, 6401), (3287, 6142)]