19419255

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 33775872

約数和(自身を除く): 14356617

約数列:

[1, 3, 5, 9, 15, 45, 397, 1087, 1191, 1985, 3261, 3573, 5435, 5955, 9783, 16305, 17865, 48915, 431539, 1294617, 2157695, 3883851, 6473085, 19419255]

約数ペア:

[(1, 19419255), (3, 6473085), (5, 3883851), (9, 2157695), (15, 1294617), (45, 431539), (397, 48915), (1087, 17865), (1191, 16305), (1985, 9783), (3261, 5955), (3573, 5435)]