19729424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8623}}^1$

素因数の和:8655

約数の個数: 40

約数和(自身を含む): 44913792

約数和(自身を除く): 25184368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8623, 17246, 34492, 68984, 94853, 112099, 137968, 189706, 224198, 379412, 448396, 758824, 896792, 1233089, 1517648, 1793584, 2466178, 4932356, 9864712, 19729424]

約数ペア:

[(1, 19729424), (2, 9864712), (4, 4932356), (8, 2466178), (11, 1793584), (13, 1517648), (16, 1233089), (22, 896792), (26, 758824), (44, 448396), (52, 379412), (88, 224198), (104, 189706), (143, 137968), (176, 112099), (208, 94853), (286, 68984), (572, 34492), (1144, 17246), (2288, 8623)]