19009893

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7607}}^1$

素因数の和:7641

約数の個数: 24

約数和(自身を含む): 31223232

約数和(自身を除く): 12213339

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 7607, 22821, 53249, 129319, 159747, 372743, 387957, 905233, 1118229, 2715699, 6336631, 19009893]

約数ペア:

[(1, 19009893), (3, 6336631), (7, 2715699), (17, 1118229), (21, 905233), (49, 387957), (51, 372743), (119, 159747), (147, 129319), (357, 53249), (833, 22821), (2499, 7607)]