19240683

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 33204096

約数和(自身を除く): 13963413

約数列:

[1, 3, 7, 11, 21, 33, 49, 73, 77, 147, 163, 219, 231, 489, 511, 539, 803, 1141, 1533, 1617, 1793, 2409, 3423, 3577, 5379, 5621, 7987, 10731, 11899, 12551, 16863, 23961, 35697, 37653, 39347, 83293, 87857, 118041, 130889, 249879, 263571, 392667, 583051, 916223, 1749153, 2748669, 6413561, 19240683]

約数ペア:

[(1, 19240683), (3, 6413561), (7, 2748669), (11, 1749153), (21, 916223), (33, 583051), (49, 392667), (73, 263571), (77, 249879), (147, 130889), (163, 118041), (219, 87857), (231, 83293), (489, 39347), (511, 37653), (539, 35697), (803, 23961), (1141, 16863), (1533, 12551), (1617, 11899), (1793, 10731), (2409, 7987), (3423, 5621), (3577, 5379)]