19105947

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 31740384

約数和(自身を除く): 12634437

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 1753, 3633, 5259, 10899, 12271, 15777, 36813, 110439, 303269, 909807, 2122883, 2729421, 6368649, 19105947]

約数ペア:

[(1, 19105947), (3, 6368649), (7, 2729421), (9, 2122883), (21, 909807), (63, 303269), (173, 110439), (519, 36813), (1211, 15777), (1557, 12271), (1753, 10899), (3633, 5259)]