19681077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 10655691

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 593, 851, 897, 1443, 1779, 2553, 7709, 11063, 13639, 21941, 23127, 33189, 40917, 65823, 177307, 285233, 504643, 531921, 855699, 1513929, 6560359, 19681077]

約数ペア:

[(1, 19681077), (3, 6560359), (13, 1513929), (23, 855699), (37, 531921), (39, 504643), (69, 285233), (111, 177307), (299, 65823), (481, 40917), (593, 33189), (851, 23127), (897, 21941), (1443, 13639), (1779, 11063), (2553, 7709)]