196651216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{646879}}^1$

素因数の和:646906

約数の個数: 20

約数和(自身を含む): 401065600

約数和(自身を除く): 204414384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 646879, 1293758, 2587516, 5175032, 10350064, 12290701, 24581402, 49162804, 98325608, 196651216]

約数ペア:

[(1, 196651216), (2, 98325608), (4, 49162804), (8, 24581402), (16, 12290701), (19, 10350064), (38, 5175032), (76, 2587516), (152, 1293758), (304, 646879)]