19688553

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 29235648

約数和(自身を除く): 9547095

約数列:

[1, 3, 9, 67, 103, 201, 309, 317, 603, 927, 951, 2853, 6901, 20703, 21239, 32651, 62109, 63717, 97953, 191151, 293859, 2187617, 6562851, 19688553]

約数ペア:

[(1, 19688553), (3, 6562851), (9, 2187617), (67, 293859), (103, 191151), (201, 97953), (309, 63717), (317, 62109), (603, 32651), (927, 21239), (951, 20703), (2853, 6901)]