19396454

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 38905920

約数和(自身を除く): 19509466

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 947, 1078, 1463, 1862, 1894, 2926, 6629, 10241, 10417, 13258, 17993, 20482, 20834, 35986, 46403, 72919, 92806, 125951, 145838, 197923, 251902, 395846, 510433, 881657, 1020866, 1385461, 1763314, 2770922, 9698227, 19396454]

約数ペア:

[(1, 19396454), (2, 9698227), (7, 2770922), (11, 1763314), (14, 1385461), (19, 1020866), (22, 881657), (38, 510433), (49, 395846), (77, 251902), (98, 197923), (133, 145838), (154, 125951), (209, 92806), (266, 72919), (418, 46403), (539, 35986), (931, 20834), (947, 20482), (1078, 17993), (1463, 13258), (1862, 10417), (1894, 10241), (2926, 6629)]