19481516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157109}}^1$

素因数の和:157144

約数の個数: 12

約数和(自身を含む): 35192640

約数和(自身を除く): 15711124

約数列:

[1, 2, 4, 31, 62, 124, 157109, 314218, 628436, 4870379, 9740758, 19481516]

約数ペア:

[(1, 19481516), (2, 9740758), (4, 4870379), (31, 628436), (62, 314218), (124, 157109)]