19281213

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 34776960

約数和(自身を除く): 15495747

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 353, 357, 459, 867, 1059, 1071, 2023, 2471, 2601, 3177, 3213, 6001, 6069, 7413, 7803, 9531, 18003, 18207, 22239, 42007, 54009, 54621, 66717, 102017, 126021, 162027, 306051, 378063, 714119, 918153, 1134189, 2142357, 2754459, 6427071, 19281213]

約数ペア:

[(1, 19281213), (3, 6427071), (7, 2754459), (9, 2142357), (17, 1134189), (21, 918153), (27, 714119), (51, 378063), (63, 306051), (119, 162027), (153, 126021), (189, 102017), (289, 66717), (353, 54621), (357, 54009), (459, 42007), (867, 22239), (1059, 18207), (1071, 18003), (2023, 9531), (2471, 7803), (2601, 7413), (3177, 6069), (3213, 6001)]