19169725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 24897960

約数和(自身を除く): 5728235

約数列:

[1, 5, 25, 29, 137, 145, 193, 685, 725, 965, 3425, 3973, 4825, 5597, 19865, 26441, 27985, 99325, 132205, 139925, 661025, 766789, 3833945, 19169725]

約数ペア:

[(1, 19169725), (5, 3833945), (25, 766789), (29, 661025), (137, 139925), (145, 132205), (193, 99325), (685, 27985), (725, 26441), (965, 19865), (3425, 5597), (3973, 4825)]