19395207

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 31671024

約数和(自身を除く): 12275817

約数列:

[1, 3, 9, 13, 27, 39, 81, 113, 117, 163, 339, 351, 489, 1017, 1053, 1467, 1469, 2119, 3051, 4401, 4407, 6357, 9153, 13203, 13221, 18419, 19071, 39663, 55257, 57213, 118989, 165771, 171639, 239447, 497313, 718341, 1491939, 2155023, 6465069, 19395207]

約数ペア:

[(1, 19395207), (3, 6465069), (9, 2155023), (13, 1491939), (27, 718341), (39, 497313), (81, 239447), (113, 171639), (117, 165771), (163, 118989), (339, 57213), (351, 55257), (489, 39663), (1017, 19071), (1053, 18419), (1467, 13221), (1469, 13203), (2119, 9153), (3051, 6357), (4401, 4407)]