19707228

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{23801}}^1$

素因数の和:23834

約数の個数: 36

約数和(自身を含む): 51983568

約数和(自身を除く): 32276340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 23801, 47602, 71403, 95204, 142806, 214209, 285612, 428418, 547423, 856836, 1094846, 1642269, 2189692, 3284538, 4926807, 6569076, 9853614, 19707228]

約数ペア:

[(1, 19707228), (2, 9853614), (3, 6569076), (4, 4926807), (6, 3284538), (9, 2189692), (12, 1642269), (18, 1094846), (23, 856836), (36, 547423), (46, 428418), (69, 285612), (92, 214209), (138, 142806), (207, 95204), (276, 71403), (414, 47602), (828, 23801)]