18357688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 36644400

約数和(自身を除く): 18286712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 389, 694, 778, 1388, 1556, 2776, 3112, 5899, 6613, 11798, 13226, 23596, 26452, 47192, 52904, 134983, 269966, 539932, 1079864, 2294711, 4589422, 9178844, 18357688]

約数ペア:

[(1, 18357688), (2, 9178844), (4, 4589422), (8, 2294711), (17, 1079864), (34, 539932), (68, 269966), (136, 134983), (347, 52904), (389, 47192), (694, 26452), (778, 23596), (1388, 13226), (1556, 11798), (2776, 6613), (3112, 5899)]