19442875

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1551

約数の個数: 16

約数和(自身を含む): 24504480

約数和(自身を除く): 5061605

約数列:

[1, 5, 25, 109, 125, 545, 1427, 2725, 7135, 13625, 35675, 155543, 178375, 777715, 3888575, 19442875]

約数ペア:

[(1, 19442875), (5, 3888575), (25, 777715), (109, 178375), (125, 155543), (545, 35675), (1427, 13625), (2725, 7135)]