18976203

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 28312128

約数和(自身を除く): 9335925

約数列:

[1, 3, 9, 47, 113, 141, 339, 397, 423, 1017, 1191, 3573, 5311, 15933, 18659, 44861, 47799, 55977, 134583, 167931, 403749, 2108467, 6325401, 18976203]

約数ペア:

[(1, 18976203), (3, 6325401), (9, 2108467), (47, 403749), (113, 167931), (141, 134583), (339, 55977), (397, 47799), (423, 44861), (1017, 18659), (1191, 15933), (3573, 5311)]