19972468

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{769}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 36048320

約数和(自身を除く): 16075852

約数列:

[1, 2, 4, 43, 86, 151, 172, 302, 604, 769, 1538, 3076, 6493, 12986, 25972, 33067, 66134, 116119, 132268, 232238, 464476, 4993117, 9986234, 19972468]

約数ペア:

[(1, 19972468), (2, 9986234), (4, 4993117), (43, 464476), (86, 232238), (151, 132268), (172, 116119), (302, 66134), (604, 33067), (769, 25972), (1538, 12986), (3076, 6493)]