18141620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 44005248

約数和(自身を除く): 25863628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1283, 1414, 2020, 2566, 2828, 3535, 5132, 6415, 7070, 8981, 12830, 14140, 17962, 25660, 35924, 44905, 89810, 129583, 179620, 259166, 518332, 647915, 907081, 1295830, 1814162, 2591660, 3628324, 4535405, 9070810, 18141620]

約数ペア:

[(1, 18141620), (2, 9070810), (4, 4535405), (5, 3628324), (7, 2591660), (10, 1814162), (14, 1295830), (20, 907081), (28, 647915), (35, 518332), (70, 259166), (101, 179620), (140, 129583), (202, 89810), (404, 44905), (505, 35924), (707, 25660), (1010, 17962), (1283, 14140), (1414, 12830), (2020, 8981), (2566, 7070), (2828, 6415), (3535, 5132)]