19893275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 26650080

約数和(自身を除く): 6756805

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1193, 3335, 5965, 16675, 27439, 29825, 34597, 137195, 172985, 685975, 795731, 864925, 3978655, 19893275]

約数ペア:

[(1, 19893275), (5, 3978655), (23, 864925), (25, 795731), (29, 685975), (115, 172985), (145, 137195), (575, 34597), (667, 29825), (725, 27439), (1193, 16675), (3335, 5965)]