19547188

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 15380012

約数列:

[1, 2, 4, 107, 109, 214, 218, 419, 428, 436, 838, 1676, 11663, 23326, 44833, 45671, 46652, 89666, 91342, 179332, 182684, 4886797, 9773594, 19547188]

約数ペア:

[(1, 19547188), (2, 9773594), (4, 4886797), (107, 182684), (109, 179332), (214, 91342), (218, 89666), (419, 46652), (428, 45671), (436, 44833), (838, 23326), (1676, 11663)]