19193398

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1564

約数の個数: 24

約数和(自身を含む): 33755400

約数和(自身を除く): 14562002

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1409, 1946, 2818, 6811, 9863, 13622, 19726, 69041, 138082, 195851, 391702, 1370957, 2741914, 9596699, 19193398]

約数ペア:

[(1, 19193398), (2, 9596699), (7, 2741914), (14, 1370957), (49, 391702), (98, 195851), (139, 138082), (278, 69041), (973, 19726), (1409, 13622), (1946, 9863), (2818, 6811)]