19484975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 27212544

約数和(自身を除く): 7727569

約数列:

[1, 5, 17, 19, 25, 85, 95, 127, 323, 361, 425, 475, 635, 1615, 1805, 2159, 2413, 3175, 6137, 8075, 9025, 10795, 12065, 30685, 41021, 45847, 53975, 60325, 153425, 205105, 229235, 779399, 1025525, 1146175, 3896995, 19484975]

約数ペア:

[(1, 19484975), (5, 3896995), (17, 1146175), (19, 1025525), (25, 779399), (85, 229235), (95, 205105), (127, 153425), (323, 60325), (361, 53975), (425, 45847), (475, 41021), (635, 30685), (1615, 12065), (1805, 10795), (2159, 9025), (2413, 8075), (3175, 6137)]