19221813

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 32014080

約数和(自身を除く): 12792267

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2381, 2691, 7143, 8073, 21429, 30953, 54763, 64287, 92859, 164289, 278577, 492867, 711919, 835731, 1478601, 2135757, 6407271, 19221813]

約数ペア:

[(1, 19221813), (3, 6407271), (9, 2135757), (13, 1478601), (23, 835731), (27, 711919), (39, 492867), (69, 278577), (117, 164289), (207, 92859), (299, 64287), (351, 54763), (621, 30953), (897, 21429), (2381, 8073), (2691, 7143)]