16957975

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{1879}}^1$

素因数の和:1927

約数の個数: 18

約数和(自身を含む): 22204680

約数和(自身を除く): 5246705

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 1879, 9025, 9395, 35701, 46975, 178505, 678319, 892525, 3391595, 16957975]

約数ペア:

[(1, 16957975), (5, 3391595), (19, 892525), (25, 678319), (95, 178505), (361, 46975), (475, 35701), (1805, 9395), (1879, 9025)]