19997032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13367}}^1$

素因数の和:13401

約数の個数: 32

約数和(自身を含む): 43312320

約数和(自身を除く): 23315288

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13367, 26734, 53468, 106936, 147037, 227239, 294074, 454478, 588148, 908956, 1176296, 1817912, 2499629, 4999258, 9998516, 19997032]

約数ペア:

[(1, 19997032), (2, 9998516), (4, 4999258), (8, 2499629), (11, 1817912), (17, 1176296), (22, 908956), (34, 588148), (44, 454478), (68, 294074), (88, 227239), (136, 147037), (187, 106936), (374, 53468), (748, 26734), (1496, 13367)]