18719498

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6337}}^1$

素因数の和:6557

約数の個数: 16

約数和(自身を含む): 32247744

約数和(自身を除く): 13528246

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6337, 12674, 44359, 88718, 1337107, 2674214, 9359749, 18719498]

約数ペア:

[(1, 18719498), (2, 9359749), (7, 2674214), (14, 1337107), (211, 88718), (422, 44359), (1477, 12674), (2954, 6337)]