19117203

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2767}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 30292992

約数和(自身を除く): 11175789

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2767, 6909, 8301, 19369, 58107, 130049, 135583, 390147, 406749, 910343, 2731029, 6372401, 19117203]

約数ペア:

[(1, 19117203), (3, 6372401), (7, 2731029), (21, 910343), (47, 406749), (49, 390147), (141, 135583), (147, 130049), (329, 58107), (987, 19369), (2303, 8301), (2767, 6909)]