18975088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 40461696

約数和(自身を除く): 21486608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 131, 176, 262, 524, 823, 1048, 1441, 1646, 2096, 2882, 3292, 5764, 6584, 9053, 11528, 13168, 18106, 23056, 36212, 72424, 107813, 144848, 215626, 431252, 862504, 1185943, 1725008, 2371886, 4743772, 9487544, 18975088]

約数ペア:

[(1, 18975088), (2, 9487544), (4, 4743772), (8, 2371886), (11, 1725008), (16, 1185943), (22, 862504), (44, 431252), (88, 215626), (131, 144848), (176, 107813), (262, 72424), (524, 36212), (823, 23056), (1048, 18106), (1441, 13168), (1646, 11528), (2096, 9053), (2882, 6584), (3292, 5764)]