18762051

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 32635008

約数和(自身を除く): 13872957

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 283, 287, 451, 539, 849, 861, 1353, 1617, 1981, 2009, 3113, 3157, 5943, 6027, 9339, 9471, 11603, 13867, 21791, 22099, 34809, 41601, 65373, 66297, 81221, 127633, 152537, 243663, 382899, 457611, 568547, 893431, 1705641, 2680293, 6254017, 18762051]

約数ペア:

[(1, 18762051), (3, 6254017), (7, 2680293), (11, 1705641), (21, 893431), (33, 568547), (41, 457611), (49, 382899), (77, 243663), (123, 152537), (147, 127633), (231, 81221), (283, 66297), (287, 65373), (451, 41601), (539, 34809), (849, 22099), (861, 21791), (1353, 13867), (1617, 11603), (1981, 9471), (2009, 9339), (3113, 6027), (3157, 5943)]