15981185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 22619520

約数和(自身を除く): 6638335

約数列:

[1, 5, 11, 19, 41, 55, 95, 205, 209, 373, 451, 779, 1045, 1865, 2255, 3895, 4103, 7087, 8569, 15293, 20515, 35435, 42845, 76465, 77957, 168223, 290567, 389785, 841115, 1452835, 3196237, 15981185]

約数ペア:

[(1, 15981185), (5, 3196237), (11, 1452835), (19, 841115), (41, 389785), (55, 290567), (95, 168223), (205, 77957), (209, 76465), (373, 42845), (451, 35435), (779, 20515), (1045, 15293), (1865, 8569), (2255, 7087), (3895, 4103)]