18994661

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 25067520

約数和(自身を除く): 6072859

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 271, 323, 527, 589, 1897, 2261, 3689, 4123, 4607, 5149, 8401, 10013, 32249, 36043, 58807, 70091, 87533, 142817, 159619, 612731, 999719, 1117333, 2713523, 18994661]

約数ペア:

[(1, 18994661), (7, 2713523), (17, 1117333), (19, 999719), (31, 612731), (119, 159619), (133, 142817), (217, 87533), (271, 70091), (323, 58807), (527, 36043), (589, 32249), (1897, 10013), (2261, 8401), (3689, 5149), (4123, 4607)]