19020501

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 31711680

約数和(自身を除く): 12691179

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 727, 969, 1377, 1539, 2181, 2907, 6543, 8721, 12359, 13813, 19629, 26163, 37077, 41439, 58887, 111231, 124317, 234821, 333693, 372951, 704463, 1001079, 1118853, 2113389, 6340167, 19020501]

約数ペア:

[(1, 19020501), (3, 6340167), (9, 2113389), (17, 1118853), (19, 1001079), (27, 704463), (51, 372951), (57, 333693), (81, 234821), (153, 124317), (171, 111231), (323, 58887), (459, 41439), (513, 37077), (727, 26163), (969, 19629), (1377, 13813), (1539, 12359), (2181, 8721), (2907, 6543)]