18812318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15402082

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 359, 394, 718, 1379, 2513, 2758, 3743, 5026, 6821, 7486, 13642, 26201, 47747, 52402, 70723, 95494, 141446, 495061, 990122, 1343737, 2687474, 9406159, 18812318]

約数ペア:

[(1, 18812318), (2, 9406159), (7, 2687474), (14, 1343737), (19, 990122), (38, 495061), (133, 141446), (197, 95494), (266, 70723), (359, 52402), (394, 47747), (718, 26201), (1379, 13642), (2513, 7486), (2758, 6821), (3743, 5026)]