19040185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 6303815

約数列:

[1, 5, 19, 43, 59, 79, 95, 215, 295, 395, 817, 1121, 1501, 2537, 3397, 4085, 4661, 5605, 7505, 12685, 16985, 23305, 48203, 64543, 88559, 200423, 241015, 322715, 442795, 1002115, 3808037, 19040185]

約数ペア:

[(1, 19040185), (5, 3808037), (19, 1002115), (43, 442795), (59, 322715), (79, 241015), (95, 200423), (215, 88559), (295, 64543), (395, 48203), (817, 23305), (1121, 16985), (1501, 12685), (2537, 7505), (3397, 5605), (4085, 4661)]