19540528

素因数分解:

$2^4\times 7^1\times {\mathrm{174469}}^1$

素因数の和:174484

約数の個数: 20

約数和(自身を含む): 43268560

約数和(自身を除く): 23728032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 174469, 348938, 697876, 1221283, 1395752, 2442566, 2791504, 4885132, 9770264, 19540528]

約数ペア:

[(1, 19540528), (2, 9770264), (4, 4885132), (7, 2791504), (8, 2442566), (14, 1395752), (16, 1221283), (28, 697876), (56, 348938), (112, 174469)]