19872045

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3371}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 34718112

約数和(自身を除く): 14846067

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3371, 5895, 10113, 16855, 30339, 50565, 151695, 441601, 1324803, 2208005, 3974409, 6624015, 19872045]

約数ペア:

[(1, 19872045), (3, 6624015), (5, 3974409), (9, 2208005), (15, 1324803), (45, 441601), (131, 151695), (393, 50565), (655, 30339), (1179, 16855), (1965, 10113), (3371, 5895)]