18963173936

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{5171}}^1$

素因数の和:5562

約数の個数: 80

約数和(自身を含む): 42481566720

約数和(自身を除く): 23518392784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 239, 274, 478, 548, 956, 959, 1096, 1673, 1912, 1918, 2192, 3346, 3824, 3836, 5171, 6692, 7672, 10342, 13384, 15344, 20684, 26768, 32743, 36197, 41368, 65486, 72394, 82736, 130972, 144788, 229201, 261944, 289576, 458402, 523888, 579152, 708427, 916804, 1235869, 1416854, 1833608, 2471738, 2833708, 3667216, 4943476, 4958989, 5667416, 8651083, 9886952, 9917978, 11334832, 17302166, 19773904, 19835956, 34604332, 39671912, 69208664, 79343824, 138417328, 169314053, 338628106, 677256212, 1185198371, 1354512424, 2370396742, 2709024848, 4740793484, 9481586968, 18963173936]

約数ペア:

[(1, 18963173936), (2, 9481586968), (4, 4740793484), (7, 2709024848), (8, 2370396742), (14, 1354512424), (16, 1185198371), (28, 677256212), (56, 338628106), (112, 169314053), (137, 138417328), (239, 79343824), (274, 69208664), (478, 39671912), (548, 34604332), (956, 19835956), (959, 19773904), (1096, 17302166), (1673, 11334832), (1912, 9917978), (1918, 9886952), (2192, 8651083), (3346, 5667416), (3824, 4958989), (3836, 4943476), (5171, 3667216), (6692, 2833708), (7672, 2471738), (10342, 1833608), (13384, 1416854), (15344, 1235869), (20684, 916804), (26768, 708427), (32743, 579152), (36197, 523888), (41368, 458402), (65486, 289576), (72394, 261944), (82736, 229201), (130972, 144788)]