19489402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1701

約数の個数: 16

約数和(自身を含む): 30873600

約数和(自身を除く): 11384198

約数列:

[1, 2, 19, 38, 401, 802, 1279, 2558, 7619, 15238, 24301, 48602, 512879, 1025758, 9744701, 19489402]

約数ペア:

[(1, 19489402), (2, 9744701), (19, 1025758), (38, 512879), (401, 48602), (802, 24301), (1279, 15238), (2558, 7619)]