19716952

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{3833}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 37036440

約数和(自身を除く): 17319488

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 3833, 5144, 7666, 15332, 30664, 2464619, 4929238, 9858476, 19716952]

約数ペア:

[(1, 19716952), (2, 9858476), (4, 4929238), (8, 2464619), (643, 30664), (1286, 15332), (2572, 7666), (3833, 5144)]