16618970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 14173990

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 263, 355, 445, 526, 710, 890, 1315, 2630, 6319, 12638, 18673, 23407, 31595, 37346, 46814, 63190, 93365, 117035, 186730, 234070, 1661897, 3323794, 8309485, 16618970]

約数ペア:

[(1, 16618970), (2, 8309485), (5, 3323794), (10, 1661897), (71, 234070), (89, 186730), (142, 117035), (178, 93365), (263, 63190), (355, 46814), (445, 37346), (526, 31595), (710, 23407), (890, 18673), (1315, 12638), (2630, 6319)]