18664854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{883}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 40395264

約数和(自身を除く): 21730410

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 883, 1626, 1766, 2649, 3523, 5298, 7046, 10569, 11479, 21138, 22958, 34437, 68874, 239293, 478586, 717879, 1435758, 3110809, 6221618, 9332427, 18664854]

約数ペア:

[(1, 18664854), (2, 9332427), (3, 6221618), (6, 3110809), (13, 1435758), (26, 717879), (39, 478586), (78, 239293), (271, 68874), (542, 34437), (813, 22958), (883, 21138), (1626, 11479), (1766, 10569), (2649, 7046), (3523, 5298)]