19496845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 6163955

約数列:

[1, 5, 29, 43, 53, 59, 145, 215, 265, 295, 1247, 1537, 1711, 2279, 2537, 3127, 6235, 7685, 8555, 11395, 12685, 15635, 66091, 73573, 90683, 134461, 330455, 367865, 453415, 672305, 3899369, 19496845]

約数ペア:

[(1, 19496845), (5, 3899369), (29, 672305), (43, 453415), (53, 367865), (59, 330455), (145, 134461), (215, 90683), (265, 73573), (295, 66091), (1247, 15635), (1537, 12685), (1711, 11395), (2279, 8555), (2537, 7685), (3127, 6235)]