19120562

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:881

約数の個数: 16

約数和(自身を含む): 29198400

約数和(自身を除く): 10077838

約数列:

[1, 2, 109, 139, 218, 278, 631, 1262, 15151, 30302, 68779, 87709, 137558, 175418, 9560281, 19120562]

約数ペア:

[(1, 19120562), (2, 9560281), (109, 175418), (139, 137558), (218, 87709), (278, 68779), (631, 30302), (1262, 15151)]