19400998

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{521}}^1$

素因数の和:999

約数の個数: 16

約数和(自身を含む): 29904336

約数和(自身を除く): 10503338

約数列:

[1, 2, 43, 86, 433, 521, 866, 1042, 18619, 22403, 37238, 44806, 225593, 451186, 9700499, 19400998]

約数ペア:

[(1, 19400998), (2, 9700499), (43, 451186), (86, 225593), (433, 44806), (521, 37238), (866, 22403), (1042, 18619)]