19188974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72139}}^1$

素因数の和:72167

約数の個数: 16

約数和(自身を含む): 34627200

約数和(自身を除く): 15438226

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72139, 144278, 504973, 1009946, 1370641, 2741282, 9594487, 19188974]

約数ペア:

[(1, 19188974), (2, 9594487), (7, 2741282), (14, 1370641), (19, 1009946), (38, 504973), (133, 144278), (266, 72139)]