19740445

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 24750000

約数和(自身を除く): 5009555

約数列:

[1, 5, 29, 109, 145, 545, 1249, 3161, 6245, 15805, 36221, 136141, 181105, 680705, 3948089, 19740445]

約数ペア:

[(1, 19740445), (5, 3948089), (29, 680705), (109, 181105), (145, 136141), (545, 36221), (1249, 15805), (3161, 6245)]