18408705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10313}}^1$

素因数の和:10345

約数の個数: 32

約数和(自身を含む): 35645184

約数和(自身を除く): 17236479

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 10313, 30939, 51565, 72191, 154695, 175321, 216573, 360955, 525963, 876605, 1082865, 1227247, 2629815, 3681741, 6136235, 18408705]

約数ペア:

[(1, 18408705), (3, 6136235), (5, 3681741), (7, 2629815), (15, 1227247), (17, 1082865), (21, 876605), (35, 525963), (51, 360955), (85, 216573), (105, 175321), (119, 154695), (255, 72191), (357, 51565), (595, 30939), (1785, 10313)]