1917503390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{245519}}^1$

素因数の和:245608

約数の個数: 32

約数和(自身を含む): 3818327040

約数和(自身を除く): 1900823650

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 245519, 491038, 1227595, 2455190, 2700709, 5401418, 13503545, 17431849, 27007090, 34863698, 87159245, 174318490, 191750339, 383500678, 958751695, 1917503390]

約数ペア:

[(1, 1917503390), (2, 958751695), (5, 383500678), (10, 191750339), (11, 174318490), (22, 87159245), (55, 34863698), (71, 27007090), (110, 17431849), (142, 13503545), (355, 5401418), (710, 2700709), (781, 2455190), (1562, 1227595), (3905, 491038), (7810, 245519)]