18814047

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 30712320

約数和(自身を除く): 11898273

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 773, 1159, 1281, 2319, 3477, 5411, 8113, 14687, 16233, 24339, 44061, 47153, 102809, 141459, 308427, 330071, 895907, 990213, 2687721, 6271349, 18814047]

約数ペア:

[(1, 18814047), (3, 6271349), (7, 2687721), (19, 990213), (21, 895907), (57, 330071), (61, 308427), (133, 141459), (183, 102809), (399, 47153), (427, 44061), (773, 24339), (1159, 16233), (1281, 14687), (2319, 8113), (3477, 5411)]