18656470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{266521}}^1$

素因数の和:266535

約数の個数: 16

約数和(自身を含む): 38379168

約数和(自身を除く): 19722698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 266521, 533042, 1332605, 1865647, 2665210, 3731294, 9328235, 18656470]

約数ペア:

[(1, 18656470), (2, 9328235), (5, 3731294), (7, 2665210), (10, 1865647), (14, 1332605), (35, 533042), (70, 266521)]