19312468

素因数分解:

$2^2\times 7^2\times {\mathrm{98533}}^1$

素因数の和:98551

約数の個数: 18

約数和(自身を含む): 39315066

約数和(自身を除く): 20002598

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 98533, 197066, 394132, 689731, 1379462, 2758924, 4828117, 9656234, 19312468]

約数ペア:

[(1, 19312468), (2, 9656234), (4, 4828117), (7, 2758924), (14, 1379462), (28, 689731), (49, 394132), (98, 197066), (196, 98533)]