18349737

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 29343744

約数和(自身を除く): 10994007

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 397, 497, 651, 1191, 1491, 2201, 2779, 6603, 8337, 12307, 15407, 28187, 36921, 46221, 84561, 86149, 197309, 258447, 591927, 873797, 2621391, 6116579, 18349737]

約数ペア:

[(1, 18349737), (3, 6116579), (7, 2621391), (21, 873797), (31, 591927), (71, 258447), (93, 197309), (213, 86149), (217, 84561), (397, 46221), (497, 36921), (651, 28187), (1191, 15407), (1491, 12307), (2201, 8337), (2779, 6603)]