19873214396

素因数分解:

$2^2\times 7^2\times {\mathrm{101393951}}^1$

素因数の和:101393969

約数の個数: 18

約数和(自身を含む): 40456186848

約数和(自身を除く): 20582972452

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 101393951, 202787902, 405575804, 709757657, 1419515314, 2839030628, 4968303599, 9936607198, 19873214396]

約数ペア:

[(1, 19873214396), (2, 9936607198), (4, 4968303599), (7, 2839030628), (14, 1419515314), (28, 709757657), (49, 405575804), (98, 202787902), (196, 101393951)]