18389835

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2705

約数の個数: 40

約数和(自身を含む): 34917696

約数和(自身を除く): 16527861

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2671, 6885, 8013, 13355, 24039, 40065, 45407, 72117, 120195, 136221, 216351, 227035, 360585, 408663, 681105, 1081755, 1225989, 2043315, 3677967, 6129945, 18389835]

約数ペア:

[(1, 18389835), (3, 6129945), (5, 3677967), (9, 2043315), (15, 1225989), (17, 1081755), (27, 681105), (45, 408663), (51, 360585), (81, 227035), (85, 216351), (135, 136221), (153, 120195), (255, 72117), (405, 45407), (459, 40065), (765, 24039), (1377, 13355), (2295, 8013), (2671, 6885)]