18847047

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 6957753

約数列:

[1, 3, 47, 141, 349, 383, 1047, 1149, 16403, 18001, 49209, 54003, 133667, 401001, 6282349, 18847047]

約数ペア:

[(1, 18847047), (3, 6282349), (47, 401001), (141, 133667), (349, 54003), (383, 49209), (1047, 18001), (1149, 16403)]