19686781452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1777427}}^1$

素因数の和:1777518

約数の個数: 48

約数和(自身を含む): 50166127872

約数和(自身を除く): 30479346420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 1777427, 3554854, 5332281, 7109708, 10664562, 21329124, 23106551, 46213102, 69319653, 92426204, 126197317, 138639306, 252394634, 277278612, 378591951, 504789268, 757183902, 1514367804, 1640565121, 3281130242, 4921695363, 6562260484, 9843390726, 19686781452]

約数ペア:

[(1, 19686781452), (2, 9843390726), (3, 6562260484), (4, 4921695363), (6, 3281130242), (12, 1640565121), (13, 1514367804), (26, 757183902), (39, 504789268), (52, 378591951), (71, 277278612), (78, 252394634), (142, 138639306), (156, 126197317), (213, 92426204), (284, 69319653), (426, 46213102), (852, 23106551), (923, 21329124), (1846, 10664562), (2769, 7109708), (3692, 5332281), (5538, 3554854), (11076, 1777427)]