19560636

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 51116800

約数和(自身を除く): 31556164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1303, 1668, 2502, 2606, 3753, 3909, 5004, 5212, 7506, 7818, 11727, 15012, 15636, 23454, 35181, 46908, 70362, 140724, 181117, 362234, 543351, 724468, 1086702, 1630053, 2173404, 3260106, 4890159, 6520212, 9780318, 19560636]

約数ペア:

[(1, 19560636), (2, 9780318), (3, 6520212), (4, 4890159), (6, 3260106), (9, 2173404), (12, 1630053), (18, 1086702), (27, 724468), (36, 543351), (54, 362234), (108, 181117), (139, 140724), (278, 70362), (417, 46908), (556, 35181), (834, 23454), (1251, 15636), (1303, 15012), (1668, 11727), (2502, 7818), (2606, 7506), (3753, 5212), (3909, 5004)]