19309527

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 28753920

約数和(自身を除く): 9444393

約数列:

[1, 3, 9, 47, 141, 191, 239, 423, 573, 717, 1719, 2151, 8977, 11233, 26931, 33699, 45649, 80793, 101097, 136947, 410841, 2145503, 6436509, 19309527]

約数ペア:

[(1, 19309527), (3, 6436509), (9, 2145503), (47, 410841), (141, 136947), (191, 101097), (239, 80793), (423, 45649), (573, 33699), (717, 26931), (1719, 11233), (2151, 8977)]