19789209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 31853952

約数和(自身を除く): 12064743

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4253, 4653, 12759, 38277, 46783, 140349, 199891, 421047, 599673, 1799019, 2198801, 6596403, 19789209]

約数ペア:

[(1, 19789209), (3, 6596403), (9, 2198801), (11, 1799019), (33, 599673), (47, 421047), (99, 199891), (141, 140349), (423, 46783), (517, 38277), (1551, 12759), (4253, 4653)]