18530895

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 30785472

約数和(自身を除く): 12254577

約数列:

[1, 3, 5, 15, 37, 111, 173, 185, 193, 519, 555, 579, 865, 965, 2595, 2895, 6401, 7141, 19203, 21423, 32005, 33389, 35705, 96015, 100167, 107115, 166945, 500835, 1235393, 3706179, 6176965, 18530895]

約数ペア:

[(1, 18530895), (3, 6176965), (5, 3706179), (15, 1235393), (37, 500835), (111, 166945), (173, 107115), (185, 100167), (193, 96015), (519, 35705), (555, 33389), (579, 32005), (865, 21423), (965, 19203), (2595, 7141), (2895, 6401)]