19273772

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 40115712

約数和(自身を除く): 20841940

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 103, 163, 164, 206, 287, 326, 412, 574, 652, 721, 1141, 1148, 1442, 2282, 2884, 4223, 4564, 6683, 8446, 13366, 16789, 16892, 26732, 29561, 33578, 46781, 59122, 67156, 93562, 117523, 118244, 187124, 235046, 470092, 688349, 1376698, 2753396, 4818443, 9636886, 19273772]

約数ペア:

[(1, 19273772), (2, 9636886), (4, 4818443), (7, 2753396), (14, 1376698), (28, 688349), (41, 470092), (82, 235046), (103, 187124), (163, 118244), (164, 117523), (206, 93562), (287, 67156), (326, 59122), (412, 46781), (574, 33578), (652, 29561), (721, 26732), (1141, 16892), (1148, 16789), (1442, 13366), (2282, 8446), (2884, 6683), (4223, 4564)]