18385785

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4127}}^1$

素因数の和:4155

約数の個数: 40

約数和(自身を含む): 35963136

約数和(自身を除く): 17577351

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4127, 4455, 12381, 20635, 37143, 45397, 61905, 111429, 136191, 185715, 226985, 334287, 408573, 557145, 680955, 1225719, 1671435, 2042865, 3677157, 6128595, 18385785]

約数ペア:

[(1, 18385785), (3, 6128595), (5, 3677157), (9, 2042865), (11, 1671435), (15, 1225719), (27, 680955), (33, 557145), (45, 408573), (55, 334287), (81, 226985), (99, 185715), (135, 136191), (165, 111429), (297, 61905), (405, 45397), (495, 37143), (891, 20635), (1485, 12381), (4127, 4455)]