19489407

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 30427056

約数和(自身を除く): 10937649

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 673, 1379, 2019, 4137, 4711, 9653, 14133, 28959, 32977, 98931, 132581, 397743, 928067, 2784201, 6496469, 19489407]

約数ペア:

[(1, 19489407), (3, 6496469), (7, 2784201), (21, 928067), (49, 397743), (147, 132581), (197, 98931), (591, 32977), (673, 28959), (1379, 14133), (2019, 9653), (4137, 4711)]