19005491615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{136421}}^1$

素因数の和:136603

約数の個数: 32

約数和(自身を含む): 26520436800

約数和(自身を除く): 7514945185

約数列:

[1, 5, 11, 17, 55, 85, 149, 187, 745, 935, 1639, 2533, 8195, 12665, 27863, 136421, 139315, 682105, 1500631, 2319157, 7503155, 11595785, 20326729, 25510727, 101633645, 127553635, 223594019, 345554393, 1117970095, 1727771965, 3801098323, 19005491615]

約数ペア:

[(1, 19005491615), (5, 3801098323), (11, 1727771965), (17, 1117970095), (55, 345554393), (85, 223594019), (149, 127553635), (187, 101633645), (745, 25510727), (935, 20326729), (1639, 11595785), (2533, 7503155), (8195, 2319157), (12665, 1500631), (27863, 682105), (136421, 139315)]