18442130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 39312216

約数和(自身を除く): 20870086

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 617, 854, 1234, 2135, 2989, 3085, 4270, 4319, 5978, 6170, 8638, 14945, 21595, 29890, 30233, 37637, 43190, 60466, 75274, 151165, 188185, 263459, 302330, 376370, 526918, 1317295, 1844213, 2634590, 3688426, 9221065, 18442130]

約数ペア:

[(1, 18442130), (2, 9221065), (5, 3688426), (7, 2634590), (10, 1844213), (14, 1317295), (35, 526918), (49, 376370), (61, 302330), (70, 263459), (98, 188185), (122, 151165), (245, 75274), (305, 60466), (427, 43190), (490, 37637), (610, 30233), (617, 29890), (854, 21595), (1234, 14945), (2135, 8638), (2989, 6170), (3085, 5978), (4270, 4319)]