19658342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4007}}^1$

素因数の和:4243

約数の個数: 16

約数和(自身を含む): 32320512

約数和(自身を除く): 12662170

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4007, 4906, 8014, 44077, 88154, 893561, 1787122, 9829171, 19658342]

約数ペア:

[(1, 19658342), (2, 9829171), (11, 1787122), (22, 893561), (223, 88154), (446, 44077), (2453, 8014), (4007, 4906)]