19417293

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 13944627

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1447, 1491, 1917, 4341, 4473, 10129, 13023, 13419, 30387, 39069, 91161, 102737, 273483, 308211, 719159, 924633, 2157477, 2773899, 6472431, 19417293]

約数ペア:

[(1, 19417293), (3, 6472431), (7, 2773899), (9, 2157477), (21, 924633), (27, 719159), (63, 308211), (71, 273483), (189, 102737), (213, 91161), (497, 39069), (639, 30387), (1447, 13419), (1491, 13023), (1917, 10129), (4341, 4473)]