18835509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 31804416

約数和(自身を除く): 12968907

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1217, 1407, 2211, 3651, 5159, 8519, 13387, 15477, 25557, 40161, 81539, 93709, 244617, 281127, 570773, 896929, 1712319, 2690787, 6278503, 18835509]

約数ペア:

[(1, 18835509), (3, 6278503), (7, 2690787), (11, 1712319), (21, 896929), (33, 570773), (67, 281127), (77, 244617), (201, 93709), (231, 81539), (469, 40161), (737, 25557), (1217, 15477), (1407, 13387), (2211, 8519), (3651, 5159)]