18949833

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4931}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 31801536

約数和(自身を除く): 12851703

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4931, 14793, 34517, 44379, 103551, 300791, 310653, 902373, 2105537, 2707119, 6316611, 18949833]

約数ペア:

[(1, 18949833), (3, 6316611), (7, 2707119), (9, 2105537), (21, 902373), (61, 310653), (63, 300791), (183, 103551), (427, 44379), (549, 34517), (1281, 14793), (3843, 4931)]