19945702

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26881}}^1$

素因数の和:26943

約数の個数: 16

約数和(自身を含む): 34839072

約数和(自身を除く): 14893370

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 26881, 53762, 188167, 376334, 1424693, 2849386, 9972851, 19945702]

約数ペア:

[(1, 19945702), (2, 9972851), (7, 2849386), (14, 1424693), (53, 376334), (106, 188167), (371, 53762), (742, 26881)]