19553156

素因数分解:

$2^2\times 7^2\times {\mathrm{99761}}^1$

素因数の和:99779

約数の個数: 18

約数和(自身を含む): 39805038

約数和(自身を除く): 20251882

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99761, 199522, 399044, 698327, 1396654, 2793308, 4888289, 9776578, 19553156]

約数ペア:

[(1, 19553156), (2, 9776578), (4, 4888289), (7, 2793308), (14, 1396654), (28, 698327), (49, 399044), (98, 199522), (196, 99761)]