18427736

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53569}}^1$

素因数の和:53618

約数の個数: 16

約数和(自身を含む): 35356200

約数和(自身を除く): 16928464

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 53569, 107138, 214276, 428552, 2303467, 4606934, 9213868, 18427736]

約数ペア:

[(1, 18427736), (2, 9213868), (4, 4606934), (8, 2303467), (43, 428552), (86, 214276), (172, 107138), (344, 53569)]