19387144

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 44954190

約数和(自身を除く): 25567046

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 137, 152, 196, 266, 274, 361, 392, 532, 548, 722, 931, 959, 1064, 1096, 1444, 1862, 1918, 2527, 2603, 2888, 3724, 3836, 5054, 5206, 6713, 7448, 7672, 10108, 10412, 13426, 17689, 18221, 20216, 20824, 26852, 35378, 36442, 49457, 53704, 70756, 72884, 98914, 127547, 141512, 145768, 197828, 255094, 346199, 395656, 510188, 692398, 1020376, 1384796, 2423393, 2769592, 4846786, 9693572, 19387144]

約数ペア:

[(1, 19387144), (2, 9693572), (4, 4846786), (7, 2769592), (8, 2423393), (14, 1384796), (19, 1020376), (28, 692398), (38, 510188), (49, 395656), (56, 346199), (76, 255094), (98, 197828), (133, 145768), (137, 141512), (152, 127547), (196, 98914), (266, 72884), (274, 70756), (361, 53704), (392, 49457), (532, 36442), (548, 35378), (722, 26852), (931, 20824), (959, 20216), (1064, 18221), (1096, 17689), (1444, 13426), (1862, 10412), (1918, 10108), (2527, 7672), (2603, 7448), (2888, 6713), (3724, 5206), (3836, 5054)]