18823990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30859}}^1$

素因数の和:30927

約数の個数: 16

約数和(自身を含む): 34439760

約数和(自身を除く): 15615770

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30859, 61718, 154295, 308590, 1882399, 3764798, 9411995, 18823990]

約数ペア:

[(1, 18823990), (2, 9411995), (5, 3764798), (10, 1882399), (61, 308590), (122, 154295), (305, 61718), (610, 30859)]