19697665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4523}}^1$

素因数の和:4608

約数の個数: 16

約数和(自身を含む): 25841088

約数和(自身を除く): 6143423

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4523, 22615, 58799, 293995, 303041, 1515205, 3939533, 19697665]

約数ペア:

[(1, 19697665), (5, 3939533), (13, 1515205), (65, 303041), (67, 293995), (335, 58799), (871, 22615), (4355, 4523)]