19400586

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 20274294

約数列:

[1, 2, 3, 6, 83, 163, 166, 239, 249, 326, 478, 489, 498, 717, 978, 1434, 13529, 19837, 27058, 38957, 39674, 40587, 59511, 77914, 81174, 116871, 119022, 233742, 3233431, 6466862, 9700293, 19400586]

約数ペア:

[(1, 19400586), (2, 9700293), (3, 6466862), (6, 3233431), (83, 233742), (163, 119022), (166, 116871), (239, 81174), (249, 77914), (326, 59511), (478, 40587), (489, 39674), (498, 38957), (717, 27058), (978, 19837), (1434, 13529)]