18197428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 32795840

約数和(自身を除く): 14598412

約数列:

[1, 2, 4, 43, 86, 172, 241, 439, 482, 878, 964, 1756, 10363, 18877, 20726, 37754, 41452, 75508, 105799, 211598, 423196, 4549357, 9098714, 18197428]

約数ペア:

[(1, 18197428), (2, 9098714), (4, 4549357), (43, 423196), (86, 211598), (172, 105799), (241, 75508), (439, 41452), (482, 37754), (878, 20726), (964, 18877), (1756, 10363)]