19125255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13533945

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 419, 537, 895, 1257, 2095, 2685, 3043, 6285, 7123, 9129, 15215, 21369, 35615, 45645, 75001, 106845, 225003, 375005, 1125015, 1275017, 3825051, 6375085, 19125255]

約数ペア:

[(1, 19125255), (3, 6375085), (5, 3825051), (15, 1275017), (17, 1125015), (51, 375005), (85, 225003), (179, 106845), (255, 75001), (419, 45645), (537, 35615), (895, 21369), (1257, 15215), (2095, 9129), (2685, 7123), (3043, 6285)]