19150218

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 42827616

約数和(自身を除く): 23677398

約数列:

[1, 2, 3, 6, 9, 18, 61, 107, 122, 163, 183, 214, 321, 326, 366, 489, 549, 642, 963, 978, 1098, 1467, 1926, 2934, 6527, 9943, 13054, 17441, 19581, 19886, 29829, 34882, 39162, 52323, 58743, 59658, 89487, 104646, 117486, 156969, 178974, 313938, 1063901, 2127802, 3191703, 6383406, 9575109, 19150218]

約数ペア:

[(1, 19150218), (2, 9575109), (3, 6383406), (6, 3191703), (9, 2127802), (18, 1063901), (61, 313938), (107, 178974), (122, 156969), (163, 117486), (183, 104646), (214, 89487), (321, 59658), (326, 58743), (366, 52323), (489, 39162), (549, 34882), (642, 29829), (963, 19886), (978, 19581), (1098, 17441), (1467, 13054), (1926, 9943), (2934, 6527)]