19706859

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 30375072

約数和(自身を除く): 10668213

約数列:

[1, 3, 9, 17, 51, 151, 153, 453, 853, 1359, 2559, 2567, 7677, 7701, 14501, 23103, 43503, 128803, 130509, 386409, 1159227, 2189651, 6568953, 19706859]

約数ペア:

[(1, 19706859), (3, 6568953), (9, 2189651), (17, 1159227), (51, 386409), (151, 130509), (153, 128803), (453, 43503), (853, 23103), (1359, 14501), (2559, 7701), (2567, 7677)]