19749790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63709}}^1$

素因数の和:63747

約数の個数: 16

約数和(自身を含む): 36696960

約数和(自身を除く): 16947170

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 63709, 127418, 318545, 637090, 1974979, 3949958, 9874895, 19749790]

約数ペア:

[(1, 19749790), (2, 9874895), (5, 3949958), (10, 1974979), (31, 637090), (62, 318545), (155, 127418), (310, 63709)]