19909098

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^3\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 48839040

約数和(自身を除く): 28929942

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 121, 198, 242, 277, 297, 363, 554, 594, 726, 831, 1089, 1331, 1662, 2178, 2493, 2662, 3047, 3267, 3993, 4986, 6094, 6534, 7479, 7986, 9141, 11979, 14958, 18282, 23958, 27423, 33517, 35937, 54846, 67034, 71874, 82269, 100551, 164538, 201102, 301653, 368687, 603306, 737374, 904959, 1106061, 1809918, 2212122, 3318183, 6636366, 9954549, 19909098]

約数ペア:

[(1, 19909098), (2, 9954549), (3, 6636366), (6, 3318183), (9, 2212122), (11, 1809918), (18, 1106061), (22, 904959), (27, 737374), (33, 603306), (54, 368687), (66, 301653), (99, 201102), (121, 164538), (198, 100551), (242, 82269), (277, 71874), (297, 67034), (363, 54846), (554, 35937), (594, 33517), (726, 27423), (831, 23958), (1089, 18282), (1331, 14958), (1662, 11979), (2178, 9141), (2493, 7986), (2662, 7479), (3047, 6534), (3267, 6094), (3993, 4986)]