19520410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 45561600

約数和(自身を除く): 26041190

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1129, 1235, 1330, 1729, 2258, 2470, 3458, 5645, 7903, 8645, 11290, 14677, 15806, 17290, 21451, 29354, 39515, 42902, 73385, 79030, 102739, 107255, 146770, 150157, 205478, 214510, 278863, 300314, 513695, 557726, 750785, 1027390, 1394315, 1501570, 1952041, 2788630, 3904082, 9760205, 19520410]

約数ペア:

[(1, 19520410), (2, 9760205), (5, 3904082), (7, 2788630), (10, 1952041), (13, 1501570), (14, 1394315), (19, 1027390), (26, 750785), (35, 557726), (38, 513695), (65, 300314), (70, 278863), (91, 214510), (95, 205478), (130, 150157), (133, 146770), (182, 107255), (190, 102739), (247, 79030), (266, 73385), (455, 42902), (494, 39515), (665, 29354), (910, 21451), (1129, 17290), (1235, 15806), (1330, 14677), (1729, 11290), (2258, 8645), (2470, 7903), (3458, 5645)]