19814769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 31041920

約数和(自身を除く): 11227151

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1039, 1467, 2119, 3117, 6357, 9351, 13507, 19071, 40521, 121563, 169357, 508071, 1524213, 2201641, 6604923, 19814769]

約数ペア:

[(1, 19814769), (3, 6604923), (9, 2201641), (13, 1524213), (39, 508071), (117, 169357), (163, 121563), (489, 40521), (1039, 19071), (1467, 13507), (2119, 9351), (3117, 6357)]