19437795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17253405

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 149, 195, 223, 447, 585, 669, 745, 1115, 1341, 1937, 2007, 2235, 2899, 3345, 5811, 6705, 8697, 9685, 10035, 14495, 17433, 26091, 29055, 33227, 43485, 87165, 99681, 130455, 166135, 299043, 431951, 498405, 1295853, 1495215, 2159755, 3887559, 6479265, 19437795]

約数ペア:

[(1, 19437795), (3, 6479265), (5, 3887559), (9, 2159755), (13, 1495215), (15, 1295853), (39, 498405), (45, 431951), (65, 299043), (117, 166135), (149, 130455), (195, 99681), (223, 87165), (447, 43485), (585, 33227), (669, 29055), (745, 26091), (1115, 17433), (1341, 14495), (1937, 10035), (2007, 9685), (2235, 8697), (2899, 6705), (3345, 5811)]