18026955

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 33362784

約数和(自身を除く): 15335829

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 401, 405, 555, 999, 1203, 1215, 1665, 2005, 2997, 3609, 4995, 6015, 8991, 10827, 14837, 14985, 18045, 32481, 44511, 44955, 54135, 74185, 97443, 133533, 162405, 222555, 400599, 487215, 667665, 1201797, 2002995, 3605391, 6008985, 18026955]

約数ペア:

[(1, 18026955), (3, 6008985), (5, 3605391), (9, 2002995), (15, 1201797), (27, 667665), (37, 487215), (45, 400599), (81, 222555), (111, 162405), (135, 133533), (185, 97443), (243, 74185), (333, 54135), (401, 44955), (405, 44511), (555, 32481), (999, 18045), (1203, 14985), (1215, 14837), (1665, 10827), (2005, 8991), (2997, 6015), (3609, 4995)]