19425978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7547}}^1$

素因数の和:7579

約数の個数: 48

約数和(自身を含む): 49454496

約数和(自身を除く): 30028518

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7547, 15094, 22641, 45282, 67923, 83017, 98111, 135846, 166034, 196222, 249051, 294333, 498102, 588666, 747153, 882999, 1079221, 1494306, 1765998, 2158442, 3237663, 6475326, 9712989, 19425978]

約数ペア:

[(1, 19425978), (2, 9712989), (3, 6475326), (6, 3237663), (9, 2158442), (11, 1765998), (13, 1494306), (18, 1079221), (22, 882999), (26, 747153), (33, 588666), (39, 498102), (66, 294333), (78, 249051), (99, 196222), (117, 166034), (143, 135846), (198, 98111), (234, 83017), (286, 67923), (429, 45282), (858, 22641), (1287, 15094), (2574, 7547)]