19302543

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 32443488

約数和(自身を除く): 13140945

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 797, 897, 1053, 1863, 2391, 2691, 7173, 8073, 10361, 18331, 21519, 24219, 31083, 54993, 64557, 93249, 164979, 238303, 279747, 494937, 714909, 839241, 1484811, 2144727, 6434181, 19302543]

約数ペア:

[(1, 19302543), (3, 6434181), (9, 2144727), (13, 1484811), (23, 839241), (27, 714909), (39, 494937), (69, 279747), (81, 238303), (117, 164979), (207, 93249), (299, 64557), (351, 54993), (621, 31083), (797, 24219), (897, 21519), (1053, 18331), (1863, 10361), (2391, 8073), (2691, 7173)]