18662889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 30640896

約数和(自身を除く): 11978007

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 857, 1037, 1281, 2571, 3111, 5999, 7259, 14569, 17997, 21777, 43707, 52277, 101983, 156831, 305949, 365939, 888709, 1097817, 2666127, 6220963, 18662889]

約数ペア:

[(1, 18662889), (3, 6220963), (7, 2666127), (17, 1097817), (21, 888709), (51, 365939), (61, 305949), (119, 156831), (183, 101983), (357, 52277), (427, 43707), (857, 21777), (1037, 17997), (1281, 14569), (2571, 7259), (3111, 5999)]