18687410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1117}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 38638080

約数和(自身を除く): 19950670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1117, 1195, 1673, 2234, 2390, 3346, 5585, 7819, 8365, 11170, 15638, 16730, 39095, 78190, 266963, 533926, 1334815, 1868741, 2669630, 3737482, 9343705, 18687410]

約数ペア:

[(1, 18687410), (2, 9343705), (5, 3737482), (7, 2669630), (10, 1868741), (14, 1334815), (35, 533926), (70, 266963), (239, 78190), (478, 39095), (1117, 16730), (1195, 15638), (1673, 11170), (2234, 8365), (2390, 7819), (3346, 5585)]