18615774

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19642146

約数列:

[1, 2, 3, 6, 71, 89, 142, 178, 213, 267, 426, 491, 534, 982, 1473, 2946, 6319, 12638, 18957, 34861, 37914, 43699, 69722, 87398, 104583, 131097, 209166, 262194, 3102629, 6205258, 9307887, 18615774]

約数ペア:

[(1, 18615774), (2, 9307887), (3, 6205258), (6, 3102629), (71, 262194), (89, 209166), (142, 131097), (178, 104583), (213, 87398), (267, 69722), (426, 43699), (491, 37914), (534, 34861), (982, 18957), (1473, 12638), (2946, 6319)]