18505665

素因数分解:

$3^6\times 5^1\times {\mathrm{5077}}^1$

素因数の和:5100

約数の個数: 28

約数和(自身を含む): 33301524

約数和(自身を除く): 14795859

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5077, 15231, 25385, 45693, 76155, 137079, 228465, 411237, 685395, 1233711, 2056185, 3701133, 6168555, 18505665]

約数ペア:

[(1, 18505665), (3, 6168555), (5, 3701133), (9, 2056185), (15, 1233711), (27, 685395), (45, 411237), (81, 228465), (135, 137079), (243, 76155), (405, 45693), (729, 25385), (1215, 15231), (3645, 5077)]