19856218

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{523}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 30635136

約数和(自身を除く): 10778918

約数列:

[1, 2, 41, 82, 463, 523, 926, 1046, 18983, 21443, 37966, 42886, 242149, 484298, 9928109, 19856218]

約数ペア:

[(1, 19856218), (2, 9928109), (41, 484298), (82, 242149), (463, 42886), (523, 37966), (926, 21443), (1046, 18983)]