19876081936

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{111443}}^1$

素因数の和:111679

約数の個数: 40

約数和(自身を含む): 39301395264

約数和(自身を除く): 19425313328

約数列:

[1, 2, 4, 8, 16, 71, 142, 157, 284, 314, 568, 628, 1136, 1256, 2512, 11147, 22294, 44588, 89176, 111443, 178352, 222886, 445772, 891544, 1783088, 7912453, 15824906, 17496551, 31649812, 34993102, 63299624, 69986204, 126599248, 139972408, 279944816, 1242255121, 2484510242, 4969020484, 9938040968, 19876081936]

約数ペア:

[(1, 19876081936), (2, 9938040968), (4, 4969020484), (8, 2484510242), (16, 1242255121), (71, 279944816), (142, 139972408), (157, 126599248), (284, 69986204), (314, 63299624), (568, 34993102), (628, 31649812), (1136, 17496551), (1256, 15824906), (2512, 7912453), (11147, 1783088), (22294, 891544), (44588, 445772), (89176, 222886), (111443, 178352)]