19612173

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 11408883

約数列:

[1, 3, 7, 21, 53, 67, 159, 201, 263, 371, 469, 789, 1113, 1407, 1841, 3551, 5523, 10653, 13939, 17621, 24857, 41817, 52863, 74571, 97573, 123347, 292719, 370041, 933913, 2801739, 6537391, 19612173]

約数ペア:

[(1, 19612173), (3, 6537391), (7, 2801739), (21, 933913), (53, 370041), (67, 292719), (159, 123347), (201, 97573), (263, 74571), (371, 52863), (469, 41817), (789, 24857), (1113, 17621), (1407, 13939), (1841, 10653), (3551, 5523)]