19387809

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5434

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 15172191

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5399, 16197, 37793, 48591, 102581, 113379, 145773, 307743, 340137, 718067, 923229, 1020411, 2154201, 2769687, 6462603, 19387809]

約数ペア:

[(1, 19387809), (3, 6462603), (7, 2769687), (9, 2154201), (19, 1020411), (21, 923229), (27, 718067), (57, 340137), (63, 307743), (133, 145773), (171, 113379), (189, 102581), (399, 48591), (513, 37793), (1197, 16197), (3591, 5399)]