18525232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 39765312

約数和(自身を除く): 21240080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1571, 2948, 3142, 5896, 6284, 11792, 12568, 17281, 25136, 34562, 69124, 105257, 138248, 210514, 276496, 421028, 842056, 1157827, 1684112, 2315654, 4631308, 9262616, 18525232]

約数ペア:

[(1, 18525232), (2, 9262616), (4, 4631308), (8, 2315654), (11, 1684112), (16, 1157827), (22, 842056), (44, 421028), (67, 276496), (88, 210514), (134, 138248), (176, 105257), (268, 69124), (536, 34562), (737, 25136), (1072, 17281), (1474, 12568), (1571, 11792), (2948, 6284), (3142, 5896)]