19702472

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{7919}}^1$

素因数の和:8236

約数の個数: 16

約数和(自身を含む): 37065600

約数和(自身を除く): 17363128

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 7919, 15838, 31676, 63352, 2462809, 4925618, 9851236, 19702472]

約数ペア:

[(1, 19702472), (2, 9851236), (4, 4925618), (8, 2462809), (311, 63352), (622, 31676), (1244, 15838), (2488, 7919)]