18316624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 36882560

約数和(自身を除く): 18565936

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 337, 344, 632, 674, 688, 1264, 1348, 2696, 3397, 5392, 6794, 13588, 14491, 26623, 27176, 28982, 53246, 54352, 57964, 106492, 115928, 212984, 231856, 425968, 1144789, 2289578, 4579156, 9158312, 18316624]

約数ペア:

[(1, 18316624), (2, 9158312), (4, 4579156), (8, 2289578), (16, 1144789), (43, 425968), (79, 231856), (86, 212984), (158, 115928), (172, 106492), (316, 57964), (337, 54352), (344, 53246), (632, 28982), (674, 27176), (688, 26623), (1264, 14491), (1348, 13588), (2696, 6794), (3397, 5392)]