19857375

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 37720800

約数和(自身を除く): 17863425

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 929, 1125, 1425, 2375, 2787, 4275, 4645, 7125, 8361, 13935, 17651, 21375, 23225, 41805, 52953, 69675, 88255, 116125, 158859, 209025, 264765, 348375, 441275, 794295, 1045125, 1323825, 2206375, 3971475, 6619125, 19857375]

約数ペア:

[(1, 19857375), (3, 6619125), (5, 3971475), (9, 2206375), (15, 1323825), (19, 1045125), (25, 794295), (45, 441275), (57, 348375), (75, 264765), (95, 209025), (125, 158859), (171, 116125), (225, 88255), (285, 69675), (375, 52953), (475, 41805), (855, 23225), (929, 21375), (1125, 17651), (1425, 13935), (2375, 8361), (2787, 7125), (4275, 4645)]