19973079

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1097}}^1$

素因数の和:1144

約数の個数: 36

約数和(自身を含む): 35056944

約数和(自身を除く): 15083865

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 1097, 2023, 2601, 3291, 6069, 7679, 9873, 18207, 18649, 23037, 55947, 69111, 130543, 167841, 317033, 391629, 951099, 1174887, 2219231, 2853297, 6657693, 19973079]

約数ペア:

[(1, 19973079), (3, 6657693), (7, 2853297), (9, 2219231), (17, 1174887), (21, 951099), (51, 391629), (63, 317033), (119, 167841), (153, 130543), (289, 69111), (357, 55947), (867, 23037), (1071, 18649), (1097, 18207), (2023, 9873), (2601, 7679), (3291, 6069)]