19671236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12203}}^1$

素因数の和:12251

約数の個数: 24

約数和(自身を含む): 38271744

約数和(自身を除く): 18600508

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12203, 24406, 48812, 158639, 317278, 378293, 634556, 756586, 1513172, 4917809, 9835618, 19671236]

約数ペア:

[(1, 19671236), (2, 9835618), (4, 4917809), (13, 1513172), (26, 756586), (31, 634556), (52, 378293), (62, 317278), (124, 158639), (403, 48812), (806, 24406), (1612, 12203)]