19209618

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15031}}^1$

素因数の和:15110

約数の個数: 24

約数和(自身を含む): 42209856

約数和(自身を除く): 23000238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15031, 30062, 45093, 90186, 135279, 270558, 1067201, 2134402, 3201603, 6403206, 9604809, 19209618]

約数ペア:

[(1, 19209618), (2, 9604809), (3, 6403206), (6, 3201603), (9, 2134402), (18, 1067201), (71, 270558), (142, 135279), (213, 90186), (426, 45093), (639, 30062), (1278, 15031)]