19902819

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1346

約数の個数: 16

約数和(自身を含む): 27280512

約数和(自身を除く): 7377693

約数列:

[1, 3, 67, 83, 201, 249, 1193, 3579, 5561, 16683, 79931, 99019, 239793, 297057, 6634273, 19902819]

約数ペア:

[(1, 19902819), (3, 6634273), (67, 297057), (83, 239793), (201, 99019), (249, 79931), (1193, 16683), (3579, 5561)]