18564896

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 42428736

約数和(自身を除く): 23863840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1237, 1876, 2144, 2474, 3752, 4948, 7504, 8659, 9896, 15008, 17318, 19792, 34636, 39584, 69272, 82879, 138544, 165758, 277088, 331516, 580153, 663032, 1160306, 1326064, 2320612, 2652128, 4641224, 9282448, 18564896]

約数ペア:

[(1, 18564896), (2, 9282448), (4, 4641224), (7, 2652128), (8, 2320612), (14, 1326064), (16, 1160306), (28, 663032), (32, 580153), (56, 331516), (67, 277088), (112, 165758), (134, 138544), (224, 82879), (268, 69272), (469, 39584), (536, 34636), (938, 19792), (1072, 17318), (1237, 15008), (1876, 9896), (2144, 8659), (2474, 7504), (3752, 4948)]