18228975

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{6569}}^1$

素因数の和:6619

約数の個数: 24

約数和(自身を含む): 30957840

約数和(自身を除く): 12728865

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 6569, 19707, 32845, 98535, 164225, 243053, 492675, 729159, 1215265, 3645795, 6076325, 18228975]

約数ペア:

[(1, 18228975), (3, 6076325), (5, 3645795), (15, 1215265), (25, 729159), (37, 492675), (75, 243053), (111, 164225), (185, 98535), (555, 32845), (925, 19707), (2775, 6569)]