18820330

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30853}}^1$

素因数の和:30921

約数の個数: 16

約数和(自身を含む): 34433064

約数和(自身を除く): 15612734

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30853, 61706, 154265, 308530, 1882033, 3764066, 9410165, 18820330]

約数ペア:

[(1, 18820330), (2, 9410165), (5, 3764066), (10, 1882033), (61, 308530), (122, 154265), (305, 61706), (610, 30853)]