19099718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6337}}^1$

素因数の和:6487

約数の個数: 16

約数和(自身を含む): 31487184

約数和(自身を除く): 12387466

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6337, 12674, 69707, 139414, 868169, 1736338, 9549859, 19099718]

約数ペア:

[(1, 19099718), (2, 9549859), (11, 1736338), (22, 868169), (137, 139414), (274, 69707), (1507, 12674), (3014, 6337)]