19831328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 23605408

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 88, 106, 176, 212, 352, 424, 583, 848, 1063, 1166, 1696, 2126, 2332, 4252, 4664, 8504, 9328, 11693, 17008, 18656, 23386, 34016, 46772, 56339, 93544, 112678, 187088, 225356, 374176, 450712, 619729, 901424, 1239458, 1802848, 2478916, 4957832, 9915664, 19831328]

約数ペア:

[(1, 19831328), (2, 9915664), (4, 4957832), (8, 2478916), (11, 1802848), (16, 1239458), (22, 901424), (32, 619729), (44, 450712), (53, 374176), (88, 225356), (106, 187088), (176, 112678), (212, 93544), (352, 56339), (424, 46772), (583, 34016), (848, 23386), (1063, 18656), (1166, 17008), (1696, 11693), (2126, 9328), (2332, 8504), (4252, 4664)]