19985056

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6863}}^1$

素因数の和:6893

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 28447328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6863, 13726, 27452, 48041, 54904, 89219, 96082, 109808, 178438, 192164, 219616, 356876, 384328, 624533, 713752, 768656, 1249066, 1427504, 1537312, 2498132, 2855008, 4996264, 9992528, 19985056]

約数ペア:

[(1, 19985056), (2, 9992528), (4, 4996264), (7, 2855008), (8, 2498132), (13, 1537312), (14, 1427504), (16, 1249066), (26, 768656), (28, 713752), (32, 624533), (52, 384328), (56, 356876), (91, 219616), (104, 192164), (112, 178438), (182, 109808), (208, 96082), (224, 89219), (364, 54904), (416, 48041), (728, 27452), (1456, 13726), (2912, 6863)]