19840653

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 33926400

約数和(自身を除く): 14085747

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 929, 1017, 2373, 2787, 3051, 6503, 7119, 8361, 19509, 21357, 25083, 58527, 104977, 175581, 314931, 734839, 944793, 2204517, 2834379, 6613551, 19840653]

約数ペア:

[(1, 19840653), (3, 6613551), (7, 2834379), (9, 2204517), (21, 944793), (27, 734839), (63, 314931), (113, 175581), (189, 104977), (339, 58527), (791, 25083), (929, 21357), (1017, 19509), (2373, 8361), (2787, 7119), (3051, 6503)]