19523225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 26034048

約数和(自身を除く): 6510823

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 647, 1207, 1775, 3235, 6035, 10999, 16175, 30175, 45937, 54995, 229685, 274975, 780929, 1148425, 3904645, 19523225]

約数ペア:

[(1, 19523225), (5, 3904645), (17, 1148425), (25, 780929), (71, 274975), (85, 229685), (355, 54995), (425, 45937), (647, 30175), (1207, 16175), (1775, 10999), (3235, 6035)]