19891242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157867}}^1$

素因数の和:157882

約数の個数: 24

約数和(自身を含む): 49254816

約数和(自身を除く): 29363574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157867, 315734, 473601, 947202, 1105069, 1420803, 2210138, 2841606, 3315207, 6630414, 9945621, 19891242]

約数ペア:

[(1, 19891242), (2, 9945621), (3, 6630414), (6, 3315207), (7, 2841606), (9, 2210138), (14, 1420803), (18, 1105069), (21, 947202), (42, 473601), (63, 315734), (126, 157867)]