19470972

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 51609600

約数和(自身を除く): 32138628

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 47, 57, 69, 76, 79, 92, 94, 114, 138, 141, 158, 188, 228, 237, 276, 282, 316, 437, 474, 564, 874, 893, 948, 1081, 1311, 1501, 1748, 1786, 1817, 2162, 2622, 2679, 3002, 3243, 3572, 3634, 3713, 4324, 4503, 5244, 5358, 5451, 6004, 6486, 7268, 7426, 9006, 10716, 10902, 11139, 12972, 14852, 18012, 20539, 21804, 22278, 34523, 41078, 44556, 61617, 69046, 70547, 82156, 85399, 103569, 123234, 138092, 141094, 170798, 207138, 211641, 246468, 256197, 282188, 341596, 414276, 423282, 512394, 846564, 1024788, 1622581, 3245162, 4867743, 6490324, 9735486, 19470972]

約数ペア:

[(1, 19470972), (2, 9735486), (3, 6490324), (4, 4867743), (6, 3245162), (12, 1622581), (19, 1024788), (23, 846564), (38, 512394), (46, 423282), (47, 414276), (57, 341596), (69, 282188), (76, 256197), (79, 246468), (92, 211641), (94, 207138), (114, 170798), (138, 141094), (141, 138092), (158, 123234), (188, 103569), (228, 85399), (237, 82156), (276, 70547), (282, 69046), (316, 61617), (437, 44556), (474, 41078), (564, 34523), (874, 22278), (893, 21804), (948, 20539), (1081, 18012), (1311, 14852), (1501, 12972), (1748, 11139), (1786, 10902), (1817, 10716), (2162, 9006), (2622, 7426), (2679, 7268), (3002, 6486), (3243, 6004), (3572, 5451), (3634, 5358), (3713, 5244), (4324, 4503)]