19647786

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 42574464

約数和(自身を除く): 22926678

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 114, 141, 193, 282, 361, 386, 579, 722, 893, 1083, 1158, 1786, 2166, 2679, 3667, 5358, 7334, 9071, 11001, 16967, 18142, 22002, 27213, 33934, 50901, 54426, 69673, 101802, 139346, 172349, 209019, 344698, 418038, 517047, 1034094, 3274631, 6549262, 9823893, 19647786]

約数ペア:

[(1, 19647786), (2, 9823893), (3, 6549262), (6, 3274631), (19, 1034094), (38, 517047), (47, 418038), (57, 344698), (94, 209019), (114, 172349), (141, 139346), (193, 101802), (282, 69673), (361, 54426), (386, 50901), (579, 33934), (722, 27213), (893, 22002), (1083, 18142), (1158, 16967), (1786, 11001), (2166, 9071), (2679, 7334), (3667, 5358)]