19086970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38953}}^1$

素因数の和:38974

約数の個数: 24

約数和(自身を含む): 39966804

約数和(自身を除く): 20879834

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38953, 77906, 194765, 272671, 389530, 545342, 1363355, 1908697, 2726710, 3817394, 9543485, 19086970]

約数ペア:

[(1, 19086970), (2, 9543485), (5, 3817394), (7, 2726710), (10, 1908697), (14, 1363355), (35, 545342), (49, 389530), (70, 272671), (98, 194765), (245, 77906), (490, 38953)]