18645168

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{5471}}^1$

素因数の和:5553

約数の個数: 40

約数和(自身を含む): 48854016

約数和(自身を除く): 30208848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 5471, 10942, 16413, 21884, 32826, 43768, 65652, 87536, 131304, 262608, 388441, 776882, 1165323, 1553764, 2330646, 3107528, 4661292, 6215056, 9322584, 18645168]

約数ペア:

[(1, 18645168), (2, 9322584), (3, 6215056), (4, 4661292), (6, 3107528), (8, 2330646), (12, 1553764), (16, 1165323), (24, 776882), (48, 388441), (71, 262608), (142, 131304), (213, 87536), (284, 65652), (426, 43768), (568, 32826), (852, 21884), (1136, 16413), (1704, 10942), (3408, 5471)]