18862839

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 29303040

約数和(自身を除く): 10440201

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2347, 2679, 7041, 8037, 21123, 44593, 110309, 133779, 330927, 401337, 992781, 2095871, 6287613, 18862839]

約数ペア:

[(1, 18862839), (3, 6287613), (9, 2095871), (19, 992781), (47, 401337), (57, 330927), (141, 133779), (171, 110309), (423, 44593), (893, 21123), (2347, 8037), (2679, 7041)]