18771152008

素因数分解:

$2^3\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{207811}}^1$

素因数の和:209437

約数の個数: 32

約数和(自身を含む): 40249028160

約数和(自身を除く): 21477876152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1613, 3226, 6452, 11291, 12904, 22582, 45164, 90328, 207811, 415622, 831244, 1454677, 1662488, 2909354, 5818708, 11637416, 335199143, 670398286, 1340796572, 2346394001, 2681593144, 4692788002, 9385576004, 18771152008]

約数ペア:

[(1, 18771152008), (2, 9385576004), (4, 4692788002), (7, 2681593144), (8, 2346394001), (14, 1340796572), (28, 670398286), (56, 335199143), (1613, 11637416), (3226, 5818708), (6452, 2909354), (11291, 1662488), (12904, 1454677), (22582, 831244), (45164, 415622), (90328, 207811)]