19174686

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 23956194

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 71, 103, 114, 138, 142, 206, 213, 309, 426, 437, 618, 874, 1311, 1349, 1633, 1957, 2369, 2622, 2698, 3266, 3914, 4047, 4738, 4899, 5871, 7107, 7313, 8094, 9798, 11742, 14214, 14626, 21939, 31027, 43878, 45011, 62054, 90022, 93081, 135033, 138947, 168199, 186162, 270066, 277894, 336398, 416841, 504597, 833682, 1009194, 3195781, 6391562, 9587343, 19174686]

約数ペア:

[(1, 19174686), (2, 9587343), (3, 6391562), (6, 3195781), (19, 1009194), (23, 833682), (38, 504597), (46, 416841), (57, 336398), (69, 277894), (71, 270066), (103, 186162), (114, 168199), (138, 138947), (142, 135033), (206, 93081), (213, 90022), (309, 62054), (426, 45011), (437, 43878), (618, 31027), (874, 21939), (1311, 14626), (1349, 14214), (1633, 11742), (1957, 9798), (2369, 8094), (2622, 7313), (2698, 7107), (3266, 5871), (3914, 4899), (4047, 4738)]