19312293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16169307

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 59, 77, 91, 109, 143, 177, 231, 273, 327, 413, 429, 649, 763, 767, 1001, 1199, 1239, 1417, 1947, 2289, 2301, 3003, 3597, 4251, 4543, 5369, 6431, 8393, 8437, 9919, 13629, 15587, 16107, 19293, 25179, 25311, 29757, 45017, 46761, 59059, 70741, 83603, 109109, 135051, 177177, 212223, 250809, 327327, 495187, 585221, 919633, 1485561, 1755663, 2758899, 6437431, 19312293]

約数ペア:

[(1, 19312293), (3, 6437431), (7, 2758899), (11, 1755663), (13, 1485561), (21, 919633), (33, 585221), (39, 495187), (59, 327327), (77, 250809), (91, 212223), (109, 177177), (143, 135051), (177, 109109), (231, 83603), (273, 70741), (327, 59059), (413, 46761), (429, 45017), (649, 29757), (763, 25311), (767, 25179), (1001, 19293), (1199, 16107), (1239, 15587), (1417, 13629), (1947, 9919), (2289, 8437), (2301, 8393), (3003, 6431), (3597, 5369), (4251, 4543)]