19560016

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 60

約数和(自身を含む): 44917140

約数和(自身を除く): 25357124

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 409, 427, 488, 784, 818, 854, 976, 1636, 1708, 2863, 2989, 3272, 3416, 5726, 5978, 6544, 6832, 11452, 11956, 20041, 22904, 23912, 24949, 40082, 45808, 47824, 49898, 80164, 99796, 160328, 174643, 199592, 320656, 349286, 399184, 698572, 1222501, 1397144, 2445002, 2794288, 4890004, 9780008, 19560016]

約数ペア:

[(1, 19560016), (2, 9780008), (4, 4890004), (7, 2794288), (8, 2445002), (14, 1397144), (16, 1222501), (28, 698572), (49, 399184), (56, 349286), (61, 320656), (98, 199592), (112, 174643), (122, 160328), (196, 99796), (244, 80164), (392, 49898), (409, 47824), (427, 45808), (488, 40082), (784, 24949), (818, 23912), (854, 22904), (976, 20041), (1636, 11956), (1708, 11452), (2863, 6832), (2989, 6544), (3272, 5978), (3416, 5726)]