19913264

素因数分解:

$2^4\times 7^1\times {\mathrm{177797}}^1$

素因数の和:177812

約数の個数: 20

約数和(自身を含む): 44093904

約数和(自身を除く): 24180640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177797, 355594, 711188, 1244579, 1422376, 2489158, 2844752, 4978316, 9956632, 19913264]

約数ペア:

[(1, 19913264), (2, 9956632), (4, 4978316), (7, 2844752), (8, 2489158), (14, 1422376), (16, 1244579), (28, 711188), (56, 355594), (112, 177797)]