19890472

素因数分解:

$2^3\times 7^2\times {\mathrm{50741}}^1$

素因数の和:50761

約数の個数: 24

約数和(自身を含む): 43384410

約数和(自身を除く): 23493938

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 50741, 101482, 202964, 355187, 405928, 710374, 1420748, 2486309, 2841496, 4972618, 9945236, 19890472]

約数ペア:

[(1, 19890472), (2, 9945236), (4, 4972618), (7, 2841496), (8, 2486309), (14, 1420748), (28, 710374), (49, 405928), (56, 355187), (98, 202964), (196, 101482), (392, 50741)]